* test: add test scripts

* test: change mod of test scripts to 755

* map docs-examples to container

* test: add test_python.sh

* test: add test_c.sh

* test: add test_go.sh

* test: fix test_go.sh

* test: add test_node.sh

* test: fix test_node.sh

* test: add test_rust.sh

* test: fix connect.rs

* test: fix csharp demo program

* test: add test_csharp.sh

* typo

* test: add java sample code to test
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>