support compress

fix: some problems of parser

fix: coverity issues

refact: code format

fix(meta): META_READER_NOLOCK with inner meta readers

docs: some minor typo and improvements about 07-develop

fix: crash while create mnode

enh: code optimization for insert_req statistics

fix(sync): enqueue timer msg

fix(query): interp with every(0s) casuing client crash

refactor(stream): change state table name

refact: adjust some code for further dev

chore: add demo for stream user defined table name

fix: need rlock to get schema without the outter stable's locking