TF-1202: Configure FCM

pubspec.yaml

@@ -48,7 +48,7 @@ dependencies:
   rich_text_composer:
     git:
       url: https://github.com/linagora/rich-text-composer.git
-      ref: master
+      ref: demo
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
@@ -117,7 +117,7 @@ dependencies:
   device_info_plus: 4.0.2
 
   # permission_handler
-  permission_handler: 9.2.0
+  permission_handler: 10.2.0
 
   # share
   share: 2.0.4
@@ -196,6 +196,9 @@ dependencies:
       ref: master
 
   url_launcher: 6.1.5
+  firebase_core: ^2.2.0
+  firebase_messaging: 14.0.4
+  flutter_local_notifications: ^12.0.3
 
 dev_dependencies:
   flutter_test: