feat(notifications): implement notification system with CRUD operations and UI integration

src/i18n/de.json

@@ -33,7 +33,9 @@
     "changeTheme": "Theme ändern",
     "navigation": "Navigation",
     "calendar": "Kalender",
-    "federation": "Einladungen"
+    "federation": "Einladungen",
+    "imprint": "Impressum",
+    "privacy": "Datenschutz"
   },
   "auth": {
     "login": "Anmelden",
@@ -356,7 +358,23 @@
     "inviteExpired": "Abgelaufen",
     "inviteUsedBy": "Verwendet von",
     "inviteExpiresAt": "Läuft ab am",
-    "noInvites": "Noch keine Einladungen"
+    "noInvites": "Noch keine Einladungen",
+    "legalLinksTitle": "Rechtliche Links",
+    "legalLinksDesc": "Impressum- und Datenschutz-Links am unteren Rand der Seitenleiste anzeigen. Leer lassen zum Ausblenden.",
+    "imprintUrl": "Impressum-URL",
+    "privacyUrl": "Datenschutz-URL",
+    "imprintUrlSaved": "Impressum-URL gespeichert",
+    "privacyUrlSaved": "Datenschutz-URL gespeichert",
+    "imprintUrlFailed": "Impressum-URL konnte nicht gespeichert werden",
+    "privacyUrlFailed": "Datenschutz-URL konnte nicht gespeichert werden"
+  },
+  "notifications": {
+    "bell": "Benachrichtigungen",
+    "markAllRead": "Alle als gelesen markieren",
+    "noNotifications": "Keine Benachrichtigungen",
+    "roomShareAdded": "Raum wurde mit dir geteilt",
+    "roomShareRemoved": "Raumzugriff wurde entfernt",
+    "federationInviteReceived": "Neue Meeting-Einladung"
   },
   "federation": {
     "inbox": "Einladungen",

src/i18n/en.json

@@ -33,7 +33,9 @@
     "changeTheme": "Change theme",
     "navigation": "Navigation",
     "calendar": "Calendar",
-    "federation": "Invitations"
+    "federation": "Invitations",
+    "imprint": "Imprint",
+    "privacy": "Privacy Policy"
   },
   "auth": {
     "login": "Sign in",
@@ -356,7 +358,23 @@
     "inviteExpired": "Expired",
     "inviteUsedBy": "Used by",
     "inviteExpiresAt": "Expires",
-    "noInvites": "No invitations yet"
+    "noInvites": "No invitations yet",
+    "legalLinksTitle": "Legal Links",
+    "legalLinksDesc": "Show Imprint and Privacy Policy links at the bottom of the sidebar. Leave blank to hide.",
+    "imprintUrl": "Imprint URL",
+    "privacyUrl": "Privacy Policy URL",
+    "imprintUrlSaved": "Imprint URL saved",
+    "privacyUrlSaved": "Privacy Policy URL saved",
+    "imprintUrlFailed": "Could not save Imprint URL",
+    "privacyUrlFailed": "Could not save Privacy Policy URL"
+  },
+  "notifications": {
+    "bell": "Notifications",
+    "markAllRead": "Mark all as read",
+    "noNotifications": "No notifications yet",
+    "roomShareAdded": "Room shared with you",
+    "roomShareRemoved": "Room access removed",
+    "federationInviteReceived": "New meeting invitation"
   },
   "federation": {
     "inbox": "Invitations",