### GET http://localhost:5000/auth/user x-auth-token:
### POST http://localhost:5000/auth/login Content-Type: application/json
- {
- "email": "user2@admin.com", "password":"quang123"
POST http://localhost:5000/user/register Content-Type: application/json
- {
- "username":"Quang", "email": "user@example.com", "password":"quang123"
POST http://localhost:5000/admin/register Content-Type: application/json
- {
- "username":"Trang", "email": "user@admin.com", "password":"quang123"
}