fix: 📦 Remove non-existent file from package.json files array

- Remove mcp_config.example.json from files array as it was deleted
- Ensures npm package only includes existing files

Author: faguzzi3-boop

package.json

@@ -11,7 +11,6 @@
     "dist/**/*",
     "README.md",
     "LICENSE",
-    "mcp_config.example.json",
     ".env.example"
   ],
   "scripts": {