Add password reset localization and chat configuration

- Implemented German and English localization for password reset functionality.
- Added WebSocket URL resolution logic in chat services to support various environments and configurations.
- Created centralized chat configuration for event keys and payload mappings.
- Developed RoomsView component for admin chat room management, including create, edit, and delete functionalities.

frontend/src/i18n/locales/en/passwordReset.json

@@ -0,0 +1,9 @@
+{
+  "passwordReset": {
+    "title": "Reset Password",
+    "email": "Email",
+    "reset": "Reset",
+    "success": "If the email exists, we've sent reset instructions.",
+    "failure": "Password reset failed. Please try again later."
+  }
+}