Add and improve type annotations #109

	name: changelog

	on:
	pull_request:
	branches:
	- '**'
	path:
	# Only run if changes were made in markdown/ or the changelog
	- 'markdown/**'
	- 'docs/changelog.md'

	# permissions:
	# pull-requests: write

	jobs:
	validate:

	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Ensure Changelog Entry Made
	uses: dangoslen/changelog-enforcer@v3
	with:
	changeLogPath: 'docs/changelog.md'
	missingUpdateErrorMessage: \|
	@${{ github.actor }}, thank you for your contribution. It appears that you have not added a comment to the
	changelog describing the changes you have made. Doing so will help to ensure your contribution is accepted.

	Please see the [Contributing Guide](https://python-markdown.github.io/contributing/#changelog) for details.
	- name: Validate Changelog
	if: success()
	id: changelog_reader
	uses: mindsers/changelog-reader-action@v2
	with:
	validation_level: error
	path: docs/changelog.md

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