test: add unitest for sdb

feat(tmq): consumer support recover

enh(query): add more information for the result of show tables.

test: add user test cases into ci

feature(rpc): add connect timeout

Feature/vnode refact1

enh: more info in perf schema

fix: startup is not allowed when fqdn is changed

refactor(cluster): add cb func on transaction start and stop

fix: make taos -c xx -C work

refactor: do some internal refactor.

test: add client config for test cases