Add Readme file

Author: pushpendra-jaypore

README.md

@@ -14,7 +14,13 @@
 **API check list**
 
   * http://localhost:3000/userlist 
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+     * This API is return all customer's list if the following conditions are matched 
+       * Method : GET 
+       * If user is loggedIn then pass JWT token into header 
+          Like: https://drive.google.com/file/d/1Zu2J8KOgQIaAvjcqwvPZMq_Ol7gRemHz/view
+       * If user is not loggedIn then this will return following response
+          Link: https://drive.google.com/file/d/1hTq_3DeTljQP0KGzhCU0fYS9NtBNWlTu/view?usp=drivesdk
+        
+   *
+