[TD-10986]<feature>: Add elapsed function.

* [TD-11769]<docs>:official site csharp chapter 404 hyperlink

* fix link in Csharp connector doc twice

Revert "[TD-11752]<CI>different branches use different dir (#8909)"

This reverts commit 520c3216.

change test cases for TS-601

* [TD-11699]<feature>: taosadapter support gzip

* add goproxy for mac

* [TD-11752]<CI>different branches use different dir

* fix

* update

modify

modify

modify

[TD-11603]<docs> modify docs about immigrate for performances

* [TD-11596] docs: add adapter's manual

* [TD-11596] add en manual of adapter

* [TD-10896]<fix>: replace blm3 with taosadapter

* fix script to install taosadapter.service

* fix if upx already executed

* fix blm3 wording in document

* fix tar.gz miss taosadapter service issue

* make taosadapter build/install works on Mac

* fix deb post install script.

* update README.md, add libz-devel for CentOS

[TS-711]<fix>: win7 shell limit 254 char error.

[TD-10870]<enhance>: [schemaless]add a NULL tag to accommodate influxDB tag is optional

[TD-11700]<fix> Deal with the probabilistic failure of unique/dnode/alternativeRole.sim

add describe for schemaless

modify schemaless describe to del id。

* [TD-11616]<fix>: remove grafana plugin submodule

* rename grafanaplugin/README.md

* temprory modify Jenkinsfile

* adjust pos to remove file.

[TD-6359]<test> update test case

Update docs.md

[TD-11621]<CI> remove submodule file when switch