Introduce pre-commit-hooks and mdformat hooks

• pre-commit-hooks
• mdformat
• Common job non-important pre-commit hooks

changed milestone to %0.11.0

added CI/CD Dev Env Documentation enhancement labels

assigned to @moul

changed the description

marked the checklist item Common job non-important pre-commit hooks as completed

mentioned in commit cbc638a2

mentioned in commit ef217f31

mentioned in commit f424a731

mentioned in commit 8988c1e6

mentioned in merge request !210 (merged)

closed with merge request !210 (merged)