* docs: update csharp connector status

* docs: fix csharp ws bulk pulling

* docs: clarify database param is optional to websocket dsn

* docs: fix python version and a few typos

* docs: fix jdbc version in connector matrix

* docs: update jdbc demo readme

* docs: update dot-net examples link

* docs: fix example code mistake

* fix: examples/csharp typos

* fix: examples/python/native_insert_example.py mistake

* test: add python test to 3.0 ci and run it

* ci: put taos.h in /usr/include directory

* fix: python test case

* fix: exit 0 with test success
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>