Rename CLI from claude-browse to browse

- Changed bin name from claude-browse to browse in package.json
- Updated all CLI help, examples, and version output in cli.ts
- Updated MCP server config to use node with plugin root path
- Updated README with new command name
- Bumped version to 0.2.7

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

.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "browse",
   "description": "Browser automation and image processing tools for Claude Code using Playwright WebKit",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "author": {
     "name": "aladac",
     "url": "https://github.com/aladac"