GitLab

* refactored routing, added sign in/up forms, added sign in/up basic logic

* added ouath2 authentification with google

* added modules, combined new structure with authentification

* added gettin token by api, restructured project

* hidden secret data to environmetn variables, moved login logic into services

* added registration by api, accepted review comments

* added tests for api/auth

* added sqlalchemy db creation for tests

* edits from comments

* fixtures is organized for test_ssl_config

* replaced string concatination by f-string