Update services.php

Added GitHub

Author: JulianPrieber

config/services.php

@@ -45,5 +45,10 @@
         'client_secret' => env('GOOGLE_CLIENT_SECRET'),
         'redirect'      => env('GOOGLE_CALLBACK_URL'),
     ],
+    'github' => [
+        'client_id' => env('GITHUB_CLIENT_ID'),
+        'client_secret' => env('GITHUB_CLIENT_SECRET'),
+        'redirect' => 'http://example.com/callback-url',
+    ],
 
 ];