Add Claude Code plugin support with MCP prompts and resources

- Add .claude-plugin/plugin.json manifest (name: browse)
- Add 11 slash commands: start, end, goto, screenshot, scrape, analyze, extract, fill, compare, save, restore
- Add MCP resources: browser://state, browser://html, browser://screenshot
- Add MCP prompts: analyze_page, extract_data, navigate_to, fill_form, compare_screenshots
- Add session management tools: close, session_save, session_restore
- Include dist/ for plugin installation

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

README.md

@@ -90,13 +90,15 @@ curl -X POST localhost:3000 -d '{"cmd":"close"}'
 Install as a Claude Code plugin for the best integration:
 
 ```bash
-# Install the plugin
-claude plugin install https://github.com/aladac/claude-browse
+# Install from GitHub
+claude plugin install github:aladac/claude-browse
 
-# Or load temporarily during development
-claude --plugin-dir /path/to/claude-browse
+# Or install from local path
+claude plugin install /path/to/claude-browse
 ```
 
+**Prerequisites:** Node.js 18+ (the MCP server runs via npx)
+
 ### Plugin Features
 
 **Slash Commands:**