feat(api): Expose event used for sending browser support

modules/API/API.js

 } from '../../react/features/base/conference';
 import { overwriteConfig, getWhitelistedJSON } from '../../react/features/base/config';
 import { toggleDialog } from '../../react/features/base/dialog/actions';
+import { isSupportedBrowser } from '../../react/features/base/environment';
 import { parseJWTFromURLParams } from '../../react/features/base/jwt';
 import JitsiMeetJS, { JitsiRecordingConstants } from '../../react/features/base/lib-jitsi-meet';
 import { MEDIA_TYPE } from '../../react/features/base/media';
         this._enabled = true;
 
         initCommands();
+        this.notifyBrowserSupport(isSupportedBrowser());
     }
 
     /**
         });
     }
 
+    /**
+     * Notify external application (if API is enabled) wether the used browser is supported or not.
+     *
+     * @param {boolean} supported - If browser is supported or not.
+     * @returns {void}
+     */
+    notifyBrowserSupport(supported: boolean) {
+        this._sendEvent({
+            name: 'browser-support',
+            supported
+        });
+    }
+
     /**
      * Disposes the allocated resources.
      *

modules/API/external/external_api.js

     'avatar-changed': 'avatarChanged',
     'audio-availability-changed': 'audioAvailabilityChanged',
     'audio-mute-status-changed': 'audioMuteStatusChanged',
+    'browser-support': 'browserSupport',
     'camera-error': 'cameraError',
     'chat-updated': 'chatUpdated',
     'content-sharing-participants-changed': 'contentSharingParticipantsChanged',