* Add LICENSE and NOTICE to Python API
* Add new license dir `python-api-license` to keep all
Python API's LICENSE files
* Change LICENSE in distribute package
* Add content about should add LICENSE when new dependence
adding
* [ci] Add coverage check in CI
* Coverage add dependent
* Install pydolphinscheduler before run coverage
* Up test coverage to 87% and down threshold to 85%
* Fix code style
* Add doc about coverage
* [python] Add code style lint for GA
* Change github action name
* Auto change by black
* Fix flake8
* Fix broken link for pyds README.md
* Auto fix by black
* Separate GitHub workflows
* Add Black badge and CI locally in README.md
* Add CI for python API
* Fix task assign without process definition
* Fix ci
* Add header
* Add build badge for pydolphinscheduler
* Add content to README.md
* Remove unnecessary blank line