feat(api): add notifications for kicked participants

modules/API/API.js

@@ -658,6 +658,24 @@ class API {
         });
     }
 
+    /**
+     * Notify external application of a participant, remote or local, being
+     * removed from the conference by another participant.
+     *
+     * @param {string} kicked - The ID of the participant removed from the
+     * conference.
+     * @param {string} kicker - The ID of the participant that removed the
+     * other participant.
+     * @returns {void}
+     */
+    notifyKickedOut(kicked: Object, kicker: Object) {
+        this._sendEvent({
+            name: 'participant-kicked-out',
+            kicked,
+            kicker
+        });
+    }
+
     /**
      * Notify external application of the current meeting requiring a password
      * to join.

modules/API/external/external_api.js

@@ -63,6 +63,7 @@ const events = {
     'mic-error': 'micError',
     'outgoing-message': 'outgoingMessage',
     'participant-joined': 'participantJoined',
+    'participant-kicked-out': 'participantKickedOut',
     'participant-left': 'participantLeft',
     'password-required': 'passwordRequired',
     'proxy-connection-event': 'proxyConnectionEvent',