[TD-11222]<feature>: Histogram function

Update docs.md

delete Matlab and R

* [TD-13408]<test>: move examples back

* [TD-13408]<test>: move examples back

* add examples/c to CMakeLists.txt

* update tests

* [TD-13408]<test>: move examples back

* [TD-13408]<test>: move examples back

* add examples/c to CMakeLists.txt

* [TD-13408]<test>: move examples back

* [TD-13408]<test>: move examples back

fix bug

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

* restore Jenkinsfile due to tests dir removal

* add --remote parameter to git submodule update

* git reset hard before checkout to branch

* call git submodule update for some submodules

* remove tests directory before checkout due to conflict

* as all branches remove tests, no need to remove it in script
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

fix 404 error

TD-13412: remove interp from error description of outer query

[TS-1132]<fix>(query): windows client query slowest

Remove deprecated cases develop

Fix:  style error

fix 404

[TD-13292]<test>:move testcase to system-test directory

fix error-code 404 error

[TS-822]<feature>: optimized print style of data with double type

back compatibility fix for .current