1)This application is developed in laravel framework (6) of php and mysql database (5.14).
2) As we know Laravel follows MVC pattern means Model, view & controller
3) This application is divided into 2 part, mobile application and admin panel/backend
4) Mobile application communicates with server by APIs, Before discussing APIs part
5) Let's first discuss the directory of the application
6)
   a) .env
   b) routes
   c) config
   .... then all folders one by one
7) Now come to the code, how to structured for admin panel and mobile application
8) Whenever a requests hit first of all its calling route file
    function name @ file path
