* restore .gitmodules for master

* Revert "[TD-13408]<test>: move tests out"

This reverts commit 16a385a8336e66c4d247ac0bc6aa07e7e1e39dc8.

* immigrate file change from stand-alone repo to TDengine

for master

* remove tests repository checkout

* remove examples in CMakeLists.txt
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

* [TD-13408]<test>: move tests out

for master branch

* add Jenkinsfile2
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

* [TD-11063]<fix>: Support gcc4.4.

* [TS-615]<CI>add Ningsi OS

* make jenkins happy
Co-authored-by: Nliuyq-617 <yqliu@taosdata.com>