feat: sql command 'show create database', 'show create table', 'show create stable' and 'alter local'

feat: support show apps command

feat(tmq): support commit one msg

refactor: adjust logs

feat(stream): distribute stream session plan

refactor(tmq): offset storage

test: fix sim udf test error

fix: a problem of super table order by

fix(query): set correct source status in merge sort.

feat: the unique function and tail function are rewritten as the corresponding clauses

refactor: remove duplicate conninfo in SRpcMsg

refactor(query): set correct buffer pages.

fix: mnode crash while sync reconfig