feat(auth): implement authentication apis

[donch1989]

Because

• we are going to support simple authentication in Instill-Core

This commit

• implement authentication apis

[linear]

INS-1882 implement simple username/password authentication in mgmt-backend

API:

• /base/v1alpha/auth/login:

  • Request:

    {
      "username": "username",
      "password": "password",
    }
    

  • Response

    200 {
      "access_token": "eyJhbGciOiJIU....."
    }
    

• /base/v1alpha/auth/logout:

  • Request:

    Header: Authorization: Bearer <access_token>
    

  • Response: 200 or 401

  • Note: the backend won't implement this in the first version, please handle logout directly (clear token) on frontend side

• /base/v1alpha/auth/validate_access_token:

• Request

  Header: Authorization: Bearer <access_token>
  

• Response: 200 or 401

• /base/v1alpha/auth/change_password

  • Request

    Header: Authorization: Bearer <access_token>
    {
      "old_password": "old_password",
      "new_password": "new_password",
    }
    

  • Response: 200 or 401