* fixed test which check incorrect cred config
* Added oauth2 authentication
* Added oauth creds
* fixed formatting
* added oauth2 spec section, added missing type hints
* Added java part of Square OAuth
* fixed checkstyle
* removed commented code
* added support for old format of spec.json files, updated change logs docs
* renamed spec property 'authentication' to default 'credentials'. fixed changes in java part
* recovered empty files
* updated OAuthImplementationFactory.java
* fixed issue with autheticator for sub streams, added config catalog with all streams, updated docs
* use advanced_auth
* added advanced_auth
* moved scopes to private property
* updated source version
* Revert "updated source version"
This reverts commit ce3d06165c.
* updated source version
* added new version for airbyte index
Co-authored-by: ievgeniit <etsybaev@gmail.com>
