fix(tsdb): 'extraRow' was set but never used (2.6)

fix: uniqueness and non-emptiness validation of column or tag names

enh: change master/slave to leader/follower

feat: support case sensitive and CN names of db, stable, column, tags and so on

ci: add windows build test to ci

* feat: update taos-tools for 2.6

prepare for 3.0

[TD-13052]

* feat: update taos-tools

fix -I -s

for 2.6

ci: split ci environment into two

fix: multi group by compare key same 

for 2.6

[TD-13052]

docs: Update en 03-docker.md

fix: remove useless script

fix(query): V26 offset optimization order by desc calc skip block error