feat: add call management features with useCall and useRoomCallMembers hooks

- Implemented useCall hook for managing call state and actions.
- Created useRoomCallMembers hook to track active call members in a room.
- Added useRtcConfig for fetching RTC configurations and LiveKit JWT.
- Developed Audio settings component for managing audio devices and settings.
- Introduced device selection and screen sharing options in the Audio settings.
- Persisted audio settings in localStorage for user preferences.

src/app/hooks/useClientConfig.ts

@@ -5,6 +5,10 @@ export type HashRouterConfig = {
   basename?: string;
 };
 
+export type CallingConfig = {
+  livekitServiceUrl?: string;
+};
+
 export type ClientConfig = {
   defaultHomeserver?: number;
   homeserverList?: string[];
@@ -17,6 +21,8 @@ export type ClientConfig = {
     servers?: string[];
   };
 
+  calling?: CallingConfig;
+
   hashRouter?: HashRouterConfig;
 };