Enhance SEO and feedback features across the application

- Updated index.html with improved meta tags for SEO, including author and theme color.
- Added a feedback dialog in ImprintContainer.vue for user feedback submission.
- Refactored LoginForm.vue to utilize a utility for cookie management, simplifying profile persistence.
- Introduced new routes and schemas for feedback in the router and server, enhancing SEO and user experience.
- Improved ChatView.vue with better error handling and command table display.
- Implemented feedback API endpoints in server routes for managing user feedback submissions and admin access.

These changes collectively improve the application's SEO, user interaction, and feedback management capabilities.

logs/feedback.json

@@ -0,0 +1,11 @@
+[
+  {
+    "id": "97f7163b-64ea-4e90-9644-4bd4b9adcf6b",
+    "createdAt": "2026-03-19T14:19:19.555Z",
+    "name": "comic",
+    "age": null,
+    "country": "",
+    "gender": "",
+    "comment": "Schöne Seite"
+  }
+]