docs: Fix skills installer command syntax

Use correct `npx skills add <repo>` command format and `pnpx` instead
of `pnpm dlx`.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: dcramer

README.md

@@ -25,7 +25,7 @@ npm install -g @zeeg/dex
 Or use the skills installer for your AI agent (Claude Code, OpenCode, Codex, Cursor):
 
 ```bash
-npx skills dcramer/dex
+npx skills add dcramer/dex
 ```
 
 Use natural language or slash commands:

docs/public/llms.txt

@@ -21,13 +21,13 @@ Two steps are required:
 2. Add skills to your agent:
    ```
    # npm
-   npx skills dcramer/dex
+   npx skills add dcramer/dex
 
    # pnpm
-   pnpm dlx skills dcramer/dex
+   pnpx skills add dcramer/dex
 
    # bun
-   bunx skills dcramer/dex
+   bunx skills add dcramer/dex
    ```
 
 ## Project Configuration

docs/src/pages/index.astro

@@ -33,9 +33,9 @@ const base = import.meta.env.BASE_URL.replace(/\/$/, '');
     />
     <p>Or use the skills installer for Claude Code, OpenCode, Codex, or Cursor:</p>
     <PackageManagerTabs
-      npm="npx skills dcramer/dex"
-      pnpm="pnpm dlx skills dcramer/dex"
-      bun="bunx skills dcramer/dex"
+      npm="npx skills add dcramer/dex"
+      pnpm="pnpx skills add dcramer/dex"
+      bun="bunx skills add dcramer/dex"
     />
     <p>Then use <code>/dex</code> to manage tasks. See the <a href={`${base}/install`}>install guide</a> for other installation methods.</p>
   </section>

docs/src/pages/install.astro

@@ -16,9 +16,9 @@ import PackageManagerTabs from '../components/PackageManagerTabs.astro';
   />
   <p>Or use the skills installer for Claude Code, OpenCode, Codex, or Cursor:</p>
   <PackageManagerTabs
-    npm="npx skills dcramer/dex"
-    pnpm="pnpm dlx skills dcramer/dex"
-    bun="bunx skills dcramer/dex"
+    npm="npx skills add dcramer/dex"
+    pnpm="pnpx skills add dcramer/dex"
+    bun="bunx skills add dcramer/dex"
   />
 
   <h2>Configure Your Project</h2>