feat(CallFeature): implement call functionality and integrate WebSocket signaling

- Updated app.json to include microphone permissions and background audio support.
- Added call-related dependencies in package.json and package-lock.json.
- Enhanced ChatScreen to initiate calls and handle call actions.
- Introduced call components in the layout for incoming call handling.
- Expanded WebSocket service to manage call signaling messages and events.
- Refactored authStore to initialize call state on user authentication.

app.json

@@ -2,7 +2,7 @@
   "expo": {
     "name": "萝卜社区",
     "slug": "qojo",
-    "version": "1.0.11",
+    "version": "1.0.12",
     "orientation": "default",
     "icon": "./assets/icon.png",
     "userInterfaceStyle": "automatic",
@@ -15,11 +15,13 @@
     "ios": {
       "supportsTablet": true,
       "infoPlist": {
+        "NSMicrophoneUsageDescription": "允许萝卜社区访问您的麦克风以进行语音通话",
         "UIBackgroundModes": [
           "fetch",
           "remote-notification",
           "fetch",
-          "remote-notification"
+          "remote-notification",
+          "audio"
         ],
         "ITSAppUsesNonExemptEncryption": false
       },
@@ -37,6 +39,7 @@
       "versionCode": 6,
       "permissions": [
         "VIBRATE",
+        "RECORD_AUDIO",
         "RECEIVE_BOOT_COMPLETED",
         "WAKE_LOCK",
         "READ_EXTERNAL_STORAGE",