* Basic api documentation

* fix styling issue

* fix styling issue

* gitignore unecessary folders

* openApi 2.0 first draft

* solved conflicts

* solved errors in openapi file

* added missing doc on video + deleted apidoc comments

* fix last warnings and errors inopenapi definition

* openapi fix typo + improvement on video/comment endpoints

* removed misplaced openapi file

* api documentation improvement