feat(ios) add ability to configure the native WebRTC logging level

ios/app/src/AppDelegate.m

   didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     JitsiMeet *jitsiMeet = [JitsiMeet sharedInstance];
 
+#if 0
+    jitsiMeet.webRtcLoggingSeverity = WebRTCLoggingSeverityVerbose;
+#endif
+
     jitsiMeet.conferenceActivityType = JitsiMeetConferenceActivityType;
     jitsiMeet.customUrlScheme = @"org.jitsi.meet";
     jitsiMeet.universalLinkDomains = @[@"meet.jit.si", @"alpha.jitsi.net", @"beta.meet.jit.si"];

ios/sdk/src/JitsiMeet.h

 
 #import <JitsiMeetSDK/JitsiMeetConferenceOptions.h>
 
+// Matches RTCLoggingSeverity from RTCLogging.h
+typedef NS_ENUM(NSInteger, WebRTCLoggingSeverity) {
+  WebRTCLoggingSeverityVerbose,
+  WebRTCLoggingSeverityInfo,
+  WebRTCLoggingSeverityWarning,
+  WebRTCLoggingSeverityError,
+  WebRTCLoggingSeverityNone,
+};
+
 @interface JitsiMeet : NSObject
 
 /**
  * SiriKit or Handoff, for example.
  */
 @property (copy, nonatomic, nullable) NSString *conferenceActivityType;
+
 /**
  * Custom URL scheme used for deep-linking.
  */
 @property (copy, nonatomic, nullable) NSString *customUrlScheme;
+
 /**
  * List of domains used for universal linking.
  */
 @property (copy, nonatomic, nullable) NSArray<NSString *> *universalLinkDomains;
+
 /**
  * Default conference options used for all conferences. These options will be merged
  * with those passed to JitsiMeetView.join when joining a conference.
  */
 @property (nonatomic, strong, nullable) id rtcAudioDevice;
 
+/**
+ * Specify WebRTC logging severity.
+ */
+@property (nonatomic, assign) WebRTCLoggingSeverity webRtcLoggingSeverity;
+
 #pragma mark - This class is a singleton
 
 + (instancetype _Nonnull)sharedInstance;

ios/sdk/src/JitsiMeet.m

 
 - (instancetype)init {
     if (self = [super init]) {
+        // Initialize WebRTC options.
+        self.rtcAudioDevice = nil;
+        self.webRtcLoggingSeverity = WebRTCLoggingSeverityNone;
+
         // Initialize the listener for handling start/stop screensharing notifications.
         _screenshareEventEmiter = [[ScheenshareEventEmiter alloc] init];
 
 
     // Initialize WebRTC options.
     WebRTCModuleOptions *options = [WebRTCModuleOptions sharedInstance];
-    if (_rtcAudioDevice != nil) {
-        options.audioDevice = _rtcAudioDevice;
-    }
-#if 0
-    options.loggingSeverity = RTCLoggingSeverityInfo;
-#endif
+    options.audioDevice = _rtcAudioDevice;
+    options.loggingSeverity = (RTCLoggingSeverity)_webRtcLoggingSeverity;
 
     // Initialize the one and only bridge for interfacing with React Native.
     _bridgeWrapper = [[RCTBridgeWrapper alloc] init];