* 1196 refactor/ci (#3)
* Remove .travis.yml
* Refactor github action partially
* Fix yaml syntax error
* Add run command for every step
* Set current branch name into halo.yml temporarily
* Test validation.yml
* Add upload-release-asset step into release.yml
* Perfect release.yml
* Fix indent error
* Refactor on condition in release.yml
* Refactor on condition in validation.yml
* Fix release.yml
* Fix upload_url value set
* Fix environment set error
* Change artifact variable from output into global environment
* Fix deprecated environment set method
* Fix environment variable set error
* Change assert_content_type with application/zip
* Refactor upload release step
* Fix release id set
* Fix release id set again
* Fix syntax error
* Refactor upload process
* Refactor halo ci
* Make build step rely on check step
* Inspect docker action
* Inspect docker action again
* Refine bootBuildImage config
* Refactor bootBuildImage config and halo ci
* Fix download artifact path error
* Fix docker image name concat error
* Remove downloaded files inspect tips
* Update gradle wrapper version to 6.6.1
* Upgrade h2 version to 1.4.197
* Make controller log more details
* Refactor FileHandler
* Fix image reader error
* Update spring boot version and source compatibility version
* Rearrange some configs
* Upgrade swagger to 3.0.0
* Make swagger configurable
* Make swagger-ui.html path backward compatible
* Change jdk version into 11 in ci/cd scripts and Dockerfile
* feat: #1119
* feat: #1119
* pref: allows multiple same menus.
* feat: support create menu in batch.
* feat: support delete menu in batch.
* feat: #1119
* feat: 删除主题时可选是否删除配置
* doc: add java doc for run/halo/app/repository/ThemeSettingRepository.java#deleteByThemeId
Co-authored-by: Ryan Wang <i@ryanc.cc>