feat: add Appendix Z - GitHub Skills complete course catalog

- Create appendix-z-github-skills-catalog.md with all 36 GitHub Skills modules
- Organize courses into six learning paths (Git, Collaboration, Actions, Copilot, Security, Cloud)
- Include prerequisites, durations, workshop connections, and completion checklist
- Add Appendix Z to README, course-guide, and PROGRESS_TRACKER
- Update appendix count from 25 to 26 in ANNOUNCEMENT
- Rebuild all HTML (69 files)

Author: accesswatch

ANNOUNCEMENT.md

@@ -223,7 +223,7 @@ Every step in this workshop is written three ways - for NVDA, for JAWS, and for
 
 And the goal is not just "learn GitHub." The goal is to move you from **user** to **maker**. From someone who encounters accessibility barriers to someone who files the issue, proposes the fix, reviews the pull request, and ships the solution. That arc - from observer to contributor to product maker - is what the two days are designed to deliver.
 
-The curriculum includes [17 chapters](https://community-access.org/git-going-with-github/docs/course-guide.html), [25 reference appendices](https://community-access.org/git-going-with-github/docs/course-guide.html), 24 hands-on exercises, a shared practice repository with automated feedback bots, three [GitHub Skills](https://skills.github.com/) modules with a bot that verifies your work in real time, and a live open source project where your contributions are merged on Day 2.
+The curriculum includes [17 chapters](https://community-access.org/git-going-with-github/docs/course-guide.html), [26 reference appendices](https://community-access.org/git-going-with-github/docs/course-guide.html), 24 hands-on exercises, a shared practice repository with automated feedback bots, three [GitHub Skills](https://skills.github.com/) modules with a bot that verifies your work in real time, and a live open source project where your contributions are merged on Day 2.
 
 All of it is open source. All of it is yours to keep, fork, and share.
 

PROGRESS_TRACKER.md

@@ -289,6 +289,7 @@ Know what each does (read Chapter 16 for details):
   - [ ] Saved link or printed for reference
 - [ ] **Appendix B: Screen Reader Cheatsheet** - Bookmark this!
 - [ ] **Appendix Y: Accessing Workshop Materials** - How to download, read offline, and keep updated
+- [ ] **Appendix Z: GitHub Skills Catalog** - All 36 modules organized into six learning paths
   - [ ] NVDA commands bookmarked
   - [ ] JAWS commands bookmarked
   - [ ] VoiceOver commands bookmarked

README.md

@@ -159,6 +159,7 @@ All documentation lives in the `docs/` folder. Read them in order for the full e
 | [W](docs/appendix-w-github-copilot-reference.md) | **GitHub Copilot Reference** | Copilot features, chat participants, slash commands, MCP servers, and agentic ecosystem |
 | [X](docs/appendix-x-copilot-models.md) | **GitHub Copilot AI Models** | Model comparison, strengths, plan availability, and selection guidance |
 | [Y](docs/appendix-y-accessing-workshop-materials.md) | **Accessing and Downloading Workshop Materials** | GitHub Pages, GitHub.com, cloning, ZIP download, offline reading, folder guide |
+| [Z](docs/appendix-z-github-skills-catalog.md) | **GitHub Skills - Complete Course Catalog** | All 36 GitHub Skills modules organized into six learning paths, with links, prerequisites, and integration guidance |
 > **Each guide from Lesson 03 onward includes a "Day 2 Amplifier" callout** that shows how Accessibility Agents extends that skill across three scopes: your VS Code editor → your repository (travels with every fork) → the cloud (GitHub Agentic Workflows running without VS Code). **Learn the manual skill first (Chapter 14), then see how it's automated (Chapter 16).**
 
 ---
@@ -246,7 +247,8 @@ All documentation lives in the `docs/` folder. Read them in order for the full e
     ├── appendix-v-accessibility-agents-reference.md       ← V: Accessibility Agents agents, commands, and customization
     ├── appendix-w-github-copilot-reference.md    ← W: Copilot features, chat, MCP servers, agentic ecosystem
     ├── appendix-x-copilot-models.md              ← X: AI model comparison and selection guide
-    └── appendix-y-accessing-workshop-materials.md ← Y: How to get, download, and read these materials
+    ├── appendix-y-accessing-workshop-materials.md ← Y: How to get, download, and read these materials
+    └── appendix-z-github-skills-catalog.md  ← Z: All 36 GitHub Skills modules with learning paths
 
 > *Note: Appendices were renumbered during a February 2026 review. If you encounter external references to "Appendix D" or later letters, subtract one letter (e.g., the former Appendix D is now [Appendix C](docs/appendix-c-accessibility-standards.md)).*
 

docs/appendix-z-github-skills-catalog.md

@@ -147,6 +147,7 @@ Open these at any time during the workshop. They are not part of the chapter seq
 | [T](appendix-t-contributing-to-open-source.md) | **Contributing to Open Source** | Finding issues, scoping contributions, writing PRs, building a habit |
 | [U](appendix-u-resources.md) | **Resources** | Every link, tool, and reference from this event |
 | [Y](appendix-y-accessing-workshop-materials.md) | **Accessing Workshop Materials** | How to download, read offline, and keep updated |
+| [Z](appendix-z-github-skills-catalog.md) | **GitHub Skills - Complete Course Catalog** | All 36 modules in six learning paths with links and prerequisites |
 
 ---
 

docs/course-guide.md

@@ -288,7 +288,8 @@ <h2>Appendices (Reference)</h2>
 </ul>
 </li>
 <li><input aria-label="" disabled="" type="checkbox"> <strong>Appendix B: Screen Reader Cheatsheet</strong> - Bookmark this!</li>
-<li><input aria-label="" disabled="" type="checkbox"> <strong>Appendix Y: Accessing Workshop Materials</strong> - How to download, read offline, and keep updated<ul>
+<li><input aria-label="" disabled="" type="checkbox"> <strong>Appendix Y: Accessing Workshop Materials</strong> - How to download, read offline, and keep updated</li>
+<li><input aria-label="" disabled="" type="checkbox"> <strong>Appendix Z: GitHub Skills Catalog</strong> - All 36 modules organized into six learning paths<ul>
 <li><input aria-label="NVDA commands bookmarked" disabled="" type="checkbox"> NVDA commands bookmarked</li>
 <li><input aria-label="JAWS commands bookmarked" disabled="" type="checkbox"> JAWS commands bookmarked</li>
 <li><input aria-label="VoiceOver commands bookmarked" disabled="" type="checkbox"> VoiceOver commands bookmarked</li>

html/PROGRESS_TRACKER.html

@@ -391,6 +391,11 @@ <h3>Quick Navigation</h3>
 <td><strong>Accessing and Downloading Workshop Materials</strong></td>
 <td>GitHub Pages, GitHub.com, cloning, ZIP download, offline reading, folder guide</td>
 </tr>
+<tr>
+<td><a href="docs/appendix-z-github-skills-catalog.html">Z</a></td>
+<td><strong>GitHub Skills - Complete Course Catalog</strong></td>
+<td>All 36 GitHub Skills modules organized into six learning paths, with links, prerequisites, and integration guidance</td>
+</tr>
 </tbody></table>
 <blockquote>
 <p><strong>Each guide from Lesson 03 onward includes a &quot;Day 2 Amplifier&quot; callout</strong> that shows how Accessibility Agents extends that skill across three scopes: your VS Code editor → your repository (travels with every fork) → the cloud (GitHub Agentic Workflows running without VS Code). <strong>Learn the manual skill first (Chapter 14), then see how it&#39;s automated (Chapter 16).</strong></p>
@@ -478,7 +483,8 @@ <h2>This Repository&#39;s Structure</h2>
     <span class="hljs-string">├──</span> <span class="hljs-string">appendix-v-accessibility-agents-reference.md</span>       <span class="hljs-string">←</span> <span class="hljs-attr">V:</span> <span class="hljs-string">Accessibility</span> <span class="hljs-string">Agents</span> <span class="hljs-string">agents,</span> <span class="hljs-string">commands,</span> <span class="hljs-string">and</span> <span class="hljs-string">customization</span>
     <span class="hljs-string">├──</span> <span class="hljs-string">appendix-w-github-copilot-reference.md</span>    <span class="hljs-string">←</span> <span class="hljs-attr">W:</span> <span class="hljs-string">Copilot</span> <span class="hljs-string">features,</span> <span class="hljs-string">chat,</span> <span class="hljs-string">MCP</span> <span class="hljs-string">servers,</span> <span class="hljs-string">agentic</span> <span class="hljs-string">ecosystem</span>
     <span class="hljs-string">├──</span> <span class="hljs-string">appendix-x-copilot-models.md</span>              <span class="hljs-string">←</span> <span class="hljs-attr">X:</span> <span class="hljs-string">AI</span> <span class="hljs-string">model</span> <span class="hljs-string">comparison</span> <span class="hljs-string">and</span> <span class="hljs-string">selection</span> <span class="hljs-string">guide</span>
-    <span class="hljs-string">└──</span> <span class="hljs-string">appendix-y-accessing-workshop-materials.md</span> <span class="hljs-string">←</span> <span class="hljs-attr">Y:</span> <span class="hljs-string">How</span> <span class="hljs-string">to</span> <span class="hljs-string">get,</span> <span class="hljs-string">download,</span> <span class="hljs-string">and</span> <span class="hljs-string">read</span> <span class="hljs-string">these</span> <span class="hljs-string">materials</span>
+    <span class="hljs-string">├──</span> <span class="hljs-string">appendix-y-accessing-workshop-materials.md</span> <span class="hljs-string">←</span> <span class="hljs-attr">Y:</span> <span class="hljs-string">How</span> <span class="hljs-string">to</span> <span class="hljs-string">get,</span> <span class="hljs-string">download,</span> <span class="hljs-string">and</span> <span class="hljs-string">read</span> <span class="hljs-string">these</span> <span class="hljs-string">materials</span>
+    <span class="hljs-string">└──</span> <span class="hljs-string">appendix-z-github-skills-catalog.md</span>  <span class="hljs-string">←</span> <span class="hljs-attr">Z:</span> <span class="hljs-string">All</span> <span class="hljs-number">36</span> <span class="hljs-string">GitHub</span> <span class="hljs-string">Skills</span> <span class="hljs-string">modules</span> <span class="hljs-string">with</span> <span class="hljs-string">learning</span> <span class="hljs-string">paths</span>
 
 <span class="hljs-string">&gt;</span> <span class="hljs-attr">*Note:</span> <span class="hljs-string">Appendices</span> <span class="hljs-string">were</span> <span class="hljs-string">renumbered</span> <span class="hljs-string">during</span> <span class="hljs-string">a</span> <span class="hljs-string">February</span> <span class="hljs-number">2026 </span><span class="hljs-string">review.</span> <span class="hljs-string">If</span> <span class="hljs-string">you</span> <span class="hljs-string">encounter</span> <span class="hljs-string">external</span> <span class="hljs-string">references</span> <span class="hljs-string">to</span> <span class="hljs-string">&quot;Appendix D&quot;</span> <span class="hljs-string">or</span> <span class="hljs-string">later</span> <span class="hljs-string">letters,</span> <span class="hljs-string">subtract</span> <span class="hljs-string">one</span> <span class="hljs-string">letter</span> <span class="hljs-string">(e.g.,</span> <span class="hljs-string">the</span> <span class="hljs-string">former</span> <span class="hljs-string">Appendix</span> <span class="hljs-string">D</span> <span class="hljs-string">is</span> <span class="hljs-string">now</span> [<span class="hljs-string">Appendix</span> <span class="hljs-string">C</span>]<span class="hljs-string">(docs/appendix-c-accessibility-standards.md)).*</span>