Refactor: log significant events with `Display` #132

	name: 'commit-message-check'
	on:
	pull_request:
	types:
	- opened
	- edited
	- reopened
	- synchronize
	push:
	branches:

	jobs:
	check-commit-message:
	name: check-subject
	runs-on: ubuntu-latest
	steps:
	- name: check-subject-type
	uses: gsactions/commit-message-checker@v1
	with:
	checkAllCommitMessages: 'true' # optional: this checks all commits associated with a pull request
	excludeDescription: 'true' # optional: this excludes the description body of a pull request
	excludeTitle: 'true' # optional: this excludes the title of a pull request
	accessToken: ${{ secrets.GITHUB_TOKEN }}
	pattern: '^(DataChange:\|Change:\|Feature:\|Improve:\|Perf:\|Dep:\|Doc:\|Test:\|CI:\|Refactor:\|Fix:\|Fixdoc:\|Fixup:\|Merge\|BumpVer:\|Chore:\|Build$deps$:) .+$'
	flags: 'gm'
	error: \|
	Subject line has to contain a commit type, e.g.: "Change: blabla" or a merge commit e.g.: "Merge xxx".
	Valid types are:
	DataChange - Persistent data change
	Change - API breaking change
	Feature - API compatible new feature
	Improve - Become better without functional changes
	Perf - Performance improvement
	Dep - dependency update
	Doc - doc update
	Test - test udpate
	CI - CI workflow update
	Refactor - refactor without function change.
	Fix - fix bug
	Fixdoc - fix doc
	Fixup - minor change: e.g., fix sth mentioned in a review.
	BumpVer - Bump to a new version.
	Chore - Nothing important.
	Build(deps) - bot: dependabot.

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