feat: add changelog page #3

	name: Generate and Commit Changelog

	on:
	push:
	branches:
	# FIXME: remove
	- changelog
	- master

	jobs:
	changelog:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	- name: 'Generate PR changelog'
	uses: heinrichreimer/action-github-changelog-generator@v2.4
	with:
	issues: false
	output: CHANGELOG.md
	token: ${{ secrets.GITHUB_TOKEN }}
	- name: Commit and push if it changed
	run: \|
	git config --local user.email "action@github.com"
	git config --local user.name "GitHub Action"
	git add CHANGELOG.md
	git commit -m "Update Changelog [skip ci]" \|\| echo "No changes to commit"
	git push origin ${{ github.ref }}

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