feat(analytics): implement learning analytics feature with data collection and display

src/i18n/en.json

@@ -255,7 +255,10 @@
     "shareRemoved": "Share removed",
     "shareFailed": "Share failed",
     "shareRemove": "Remove share",
-    "defaultWelcome": "Welcome to the meeting!"
+    "defaultWelcome": "Welcome to the meeting!",
+    "analytics": "Learning Analytics",
+    "enableAnalytics": "Enable learning analytics",
+    "enableAnalyticsHint": "Collects participant engagement data after each meeting."
   },
   "recordings": {
     "title": "Recordings",
@@ -273,6 +276,24 @@
     "publish": "Publish",
     "loadFailed": "Recordings could not be loaded"
   },
+  "analytics": {
+    "title": "Learning Analytics",
+    "noData": "No analytics data available",
+    "participants": "Participants",
+    "messages": "Messages",
+    "expand": "Show details",
+    "collapse": "Hide details",
+    "deleteConfirm": "Really delete analytics data?",
+    "deleted": "Analytics data deleted",
+    "deleteFailed": "Error deleting data",
+    "userName": "Name",
+    "role": "Role",
+    "moderator": "Moderator",
+    "viewer": "Viewer",
+    "talkTime": "Talk time",
+    "webcamTime": "Webcam time",
+    "reactions": "Reactions"
+  },
   "settings": {
     "title": "Settings",
     "subtitle": "Manage your profile and settings",