feat(i18n, CourtDrawingTool, MembersOverviewSection): enhance internationalization and UI components

- Added new i18n keys for improved translations in the CourtDrawingTool and MembersOverviewSection components.
- Updated CourtDrawingTool to utilize translation keys for various UI elements, enhancing user experience and accessibility.
- Enhanced MembersOverviewSection with translation support for search and filter functionalities, improving usability for non-German speakers.
- Introduced new scripts in package.json for i18n auditing and status checking, streamlining localization management.

frontend/package.json

@@ -5,7 +5,9 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build",
-    "serve": "vite preview"
+    "serve": "vite preview",
+    "i18n:audit": "node scripts/audit-i18n.js",
+    "i18n:status": "node scripts/translation-status.js"
   },
   "dependencies": {
     "axios": "^1.7.3",