fix: last redundant read stt file

Update index.md

ci: add successful log

fix:auto fill null column

fix(query): remove assert

enh: not allow to propose if fsm applying progress lagging behind too far

fix:deal with ASSERT in tmq

enh: adjust the error msgs of sync not leader and sync is restoring

fix: add version to udfd conn req

fix:add log for taosx

feat: correct slimit&limit clause

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