feat: Add skills integration with categorization and web interface support

## Skills System
- Add 19 Anthropic skills to components/skills/ with proper categorization
- Create 4 skill categories: creative-design, development, document-processing, enterprise-communication
- Add ANTHROPIC_ATTRIBUTION.md with license information (Apache 2.0 and Source-Available)

## Data Generation
- Update generate_components_json.py to handle skills with category/skill-name structure
- Skills now use SKILL.md inside category directories
- Extract descriptions from skill frontmatter
- Support proper path generation: category/skill-name

## CLI Installation
- Update installIndividualSkill() to support category/skill-name format
- Handle both "skill-name" and "category/skill-name" installation paths
- Improve error messages with category suggestions
- Download additional files (scripts/, reference/, templates/) via GitHub API

## Web Interface
- Add skills filter chip with "NEW" label and 🎨 icon to docs/index.html
- Update JavaScript to support skills filtering and categorization
- Add skills support to shopping cart system
- Generate correct installation commands: --skill=category/skill-name
- Update data-loader.js, index-events.js, and cart-manager.js for skills

## Skills Included
### Creative & Design (4)
- algorithmic-art, canvas-design, slack-gif-creator, theme-factory

### Development (5)
- artifacts-builder, git-commit-helper, mcp-builder, skill-creator, webapp-testing

### Document Processing (6)
- docx, pdf-anthropic, pdf-processing, pdf-processing-pro, pptx, xlsx

### Enterprise Communication (4)
- brand-guidelines, email-composer, excel-analysis, internal-comms

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Author: davila7

.claude/settings.local.json

@@ -38,7 +38,10 @@
       "WebFetch(domain:neon.com)",
       "Read(//Users/danipower/.claude/**)",
       "Bash(git checkout -b feature/agent-validation-system)",
-      "Bash(npm test -- StructuralValidator.test.js)"
+      "Bash(npm test -- StructuralValidator.test.js)",
+      "Bash(gh pr create:*)",
+      "Bash(mv:*)",
+      "Read(//private/tmp/anthropic-skills/**)"
     ],
     "deny": []
   },

cli-tool/bin/create-claude-config.js

@@ -67,6 +67,7 @@ program
   .option('--mcp <mcp>', 'install specific MCP component (supports comma-separated values)')
   .option('--setting <setting>', 'install specific setting component (supports comma-separated values)')
   .option('--hook <hook>', 'install specific hook component (supports comma-separated values)')
+  .option('--skill <skill>', 'install specific skill component (supports comma-separated values)')
   .option('--workflow <workflow>', 'install workflow from hash (#hash) OR workflow YAML (base64 encoded) when used with --agent/--command/--mcp')
   .option('--prompt <prompt>', 'execute the provided prompt in Claude Code after installation or in sandbox')
   .option('--create-agent <agent>', 'create a global agent accessible from anywhere (e.g., customer-support)')