Update 14-stream.md

feat: support column comment

stream operator refactoring

fix: tmq drop/common python script on windows

fix(stream): add the back pressure for sink node.

other: merge main.

feat: add irate distributed execution

feat: optimize select agg_func partition by tag slimit

fix: set precision of interval by table scan node

enh: disable stream/udf on windows

rebuild index at tag0

enhance: tag scan optimization

fix(stream): continue process when met with trans-state msg.

feat(tsdb/cos): s3 migration