Refactor storage to follow interface segregation principle

[aliev]

Separate methods in storage to follow the interface segregation principle from SOLID.

• aioauth/storage.py

  • Remove BaseStorage class.
  • Add TokenStorage interface with methods create_token, get_token, and revoke_token.
  • Add AuthorizationCodeStorage interface with methods create_authorization_code, get_authorization_code, and delete_authorization_code.
  • Add ClientStorage interface with method get_client.
  • Add UserStorage interface with method authenticate.

• tests/classes.py

  • Update Storage class to implement TokenStorage, AuthorizationCodeStorage, ClientStorage, and UserStorage interfaces.

• aioauth/grant_type.py

  • Update GrantTypeBase class to use TokenStorage interface.
  • Update AuthorizationCodeGrantType class to use AuthorizationCodeStorage interface.
  • Update PasswordGrantType class to use UserStorage interface.
  • Update RefreshTokenGrantType class to use TokenStorage interface.
  • Update ClientCredentialsGrantType class to use ClientStorage interface.

• aioauth/response_type.py

  • Update ResponseTypeBase class to use ClientStorage interface.
  • Update ResponseTypeToken class to use TokenStorage interface.
  • Update ResponseTypeAuthorizationCode class to use AuthorizationCodeStorage interface.
  • Update ResponseTypeIdToken class to use AuthorizationCodeStorage interface.
  • Update ResponseTypeNone class to use ClientStorage interface.

• aioauth/server.py

  • Update AuthorizationServer class to use TokenStorage, AuthorizationCodeStorage, ClientStorage, and UserStorage interfaces.

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