Added accept : 'application/json' in default header (#386)

Author: hammadzafar05

config/request-docs.php

@@ -48,6 +48,7 @@
     // Later the local storage is used when edits are made
     'default_headers' => [
         'Content-Type' => 'application/json',
+        'Accept' => 'application/json',
     ],
 
     // By default, LRD group your routes by the first /path.