Rephrased sentences.

Rephrasing in some places.

docs: refine a  statement

Minor stylistic changes.

Additions, rephrasing.

Some additions, stylistic changes, grammar, spelling changes.

Added some phrases.
Stylistic changes.

docs: port the changes by chait from 2.4 to 2.6 in functions.md

stylistic change

grammatical, stylistic and one spelling change.

Minor changes - grammatical, stylistic

grammatical, stylistic and added tumbling window to concept of "flip time" window.

grammatical and stylistic changes.

ver-2.6.0.0: change version number

docs: merge missing changes from develop to 2.6

Rephrased a sentence and 2 phrases

Fixed some formatting errors on the TDinsight page.

Fixing a broken link in the Kafka documentation.

Rephrased the intro paragraph for the EMQX broker page.

Fixed some typos on the Grafana page.