✨ Major code cleanup and optimization

- Removed unnecessary dependencies (fs, path - built-in modules)
- Organized debug files into /debug folder
- Reduced excessive console logging for cleaner output
- Fixed README formatting issues
- Added comprehensive .gitignore
- Removed redundant backup files (game.js.new)
- Fixed duplicate code patterns in analytics
- Created CLEANUP_SUMMARY.md documentation
- Regenerated clean package-lock.json

No breaking changes - all functionality preserved

package.json

@@ -24,8 +24,6 @@
   "license": "ISC",
   "dependencies": {
     "express": "^5.1.0",
-    "fs": "0.0.1-security",
-    "node-fetch": "^3.3.2",
-    "path": "^0.12.7"
+    "node-fetch": "^3.3.2"
   }
 }