[TD-14360]

feat(query): group by multi columns

fix(shell): print taos_connect failed reason befor exiting

* [TD-13063]<fix>: Fix win test error.

* fix: resolve win test error.

docs: fix error in escape instructions

docs: remove duplicate file

docs: refine a series of documents

fix(shell): print taos_connect failed reason befor exiting

docs: fix incorrect text and punctuation

docs: fix build error caused by angle bracket 

docs: fix error in escape instructions

* [TD-14175]<docs>: connector

* docs: correct few secions and fix few typos

* docs: update description of installed directory.

* [TD-14540]<impr>: taosdump code cleanup

* update taos-tools

* refine 5-taos-tools/taosdump/taosdumpTestInspect.py

* [TD-14540]<impr>: refine tools/taosdumpTest2.py

* remove a few unused checks

* update taos-tools

* debug tools/taosdumpTest2.py

* add more debug

* temporary disable stream/sys.py

* reduce test batch of tools/taosdumpTest2.py

* use --monitor.writeToTD=false to avoid create log db by taosadapter

* enh(tools): taosdump code cleanup

[TD-14540]

docs : Add information about mode func to the official documentation

Add mode function information: supported versions

docs: fix incorrect text and punctuation

* [TD-14175]<docs>: connector

* docs: correct few secions and fix few typos

feat: added bitwise AND feature