* [python] Add task decorator for python function
* Add decorator `@task`
* Add a tutorial about it
* Change tutorial doc and combine into traditional docs
* Add sphinx-inline-tab for better view
* revert not need change
* Correct python function indent
* Correct integration test
* [python] Task condition missing two downstream param
We add two downstream tasks to set task condition
success and failed node
close: #7763
* Add getter and setter property condition_resulth in base task
After #7505 merged. we could use condition task type
but our dependent set in the wrong direction, all
the condition operators should be upstream of the
current task instead of downstream
fix: #7649
Cause procedure parameter name need `method` instead of `sql`
we change it's name. And remove parameter `sql` from parent
class `Database`
closes: #7386
* Change class Base `to_dict` to `get_define` for more clearer
* Remove class TaskParams and sub class make code easy to
understand and avoid task implement cycle dependence
* Remove class ObjectJsonBase in Task to reduce complexity
fix: #7271
* [python] add subProcess task
* refactor python gateway server and task for subprocess
* add function comment for getProcessDefinition
* change process_definition usage of Subprocess task
* [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
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