User & user info DB, backend apis

[Toblerone0629]

• Create Database tables
  • User
  • personal_info
  • Role
  • Address
  • Contact
• Create user && auth routers
• Modify duplicate or similar logic to services folder
• Implement user & user info, auth APIs
  • user
    • getAllUsers (for all employees page)
    • getUserById (for user detail page)
    • delete (only set deleted to true, will still keep the data)
  • user info (personal_info)
    • create
    • update
    • both could create/update the whole table at once
  • auth
    • login
    • signup