update v1.0.7.9 R.C.

This is a Release Candidate. We are still testing.

config/fcm.php

@@ -0,0 +1,14 @@
+<?php
+
+return [
+    'driver' => env('FCM_PROTOCOL','http'),
+    'log_enabled' => true,
+
+    'http' => [
+        'server_key' => env('FCM_SERVER_KEY','Your FCM server key'),
+        'sender_id' => env('FCM_SENDER_ID', 'Your sender id'),
+        'server_send_url' => 'https://fcm.googleapis.com/fcm/send',
+        'server_group_url' => 'https://android.googleapis.com/gcm/notification',
+        'timeout' => 30.0, // in second
+    ]
+];