internal-ops/style: add formatter, update rules, add CI check for format

* style: run formatter

* internal-docs: move "rules" section to the top

* style: format the files with new rule

* internal-ops: add max 100 chars per line rule

* internal-docs: mention the new format.sh script

* internal-ops: update CI and script to use usually ordered lists

* style: use usual ordered lists

* internal-ops: add mkdocs to poetry

* internal-ops: add script for formatting

* testing: fix pipeline with correct change

* testing: fix pipeline

* testing: try to trigger pipeline fail

* internal-ops: update pipeline check

* internal-ops: update CI

* style: run formatter

* style: fix incorrect indentation and grammar