[TS-1159]<fix>: fixed a bug for alter operation

[TS-487]<fix>: fixed udp partial message chaos

[TS-575]<fix>(query): support super table do ts order and limit optimization 

Release/ver 2.4.0.4

<doc>[TD-12385] modify json doc

* [TD-12903]<feat>(other): support environment variables in docker image

* [TD-12903]<feat>: expose ports used by taosadapter and udp ports in docker

* [TD-12903]<feat>: run taosd directly when TAOS_FIRST_EP not set

* [TD-13060]<docs>: add docker image user manual

* chore: update docker image readme

[TD-13126]<CI>remove appveyor

[TD-11544]<feature>(query):compatibility between old version client a…

[TD-13109]<fix>(query): Disable usage of match/nmatch/like/in/is(not) NULL operators in select

* [TD-12849]<docs>: taosadapter doc refine

* [TD-12849]<docs>: taosadapter doc refine

for 2.4

<docs>[TD-12509] add doc for backquote and escape character

[TS-1106]<fix>(query): '=' worked improperly if NULL contained in NCHAR type col

[TD-12861]<fix>(query): taoshell crash : coredump for such as "select first(c1)==max(c1) from st"

[TS-1114]<fix>(other): monitor log database sql error when inserting data into vgroups_info table