/*GetAllUser/ (GET)> http://localhost:5000/api/auth/users
/*Register/ (POST)> http://localhost:5000/api/auth/register (body) => {"name":"Aakash", "email":"[email protected]","password":"12345678","role":"user?"}
/*Login/ (POST) => http://localhost:5000/api/auth/login (body) => {"email":"[email protected]","password":"12345678"} (response)=> {auth:true,token:'dgsdg'}
/*UserInfo/ (GET) => http://localhost:5000/api/auth/userinfo (Header) => {'x-access-token':'token value from login'} (response) => {userinfo}