Merge branch 'dev' into pre

app/Http/Requests/Api/SeminarSignUp/StoreRequest.php

             'name'   => 'required',
             'email' => 'required|email',
             'mobile' => 'required',
-            'trackId' => 'required'
+            'trackNo' => 'required'
         ];
     }
 
             'email.required' => 'column [email] is required.',
             'mobile.required'  => 'column [mobile] is required.',
             'email.email'   => 'column [email] format error',
-            'trackId.required'  => 'column [trackId] is required.',
+            'trackNo.required'  => 'column [trackNo] is required.',
         ];
     }
 }