Improve README #13

	name: update-docs

	on:
	push:
	paths:
	- src/**
	- include/**
	branches: [ "main" ]
	pull_request:
	paths:
	- src/**
	- include/**
	branches: [ "main" ]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Packages
	run: sudo apt-get install -y doxygen graphviz

	- name: Generate
	run: doxygen ./Doxyfile

	- name: Publish
	env:
	CI_COMMIT_MESSAGE: Auto-generate doxygen documentation
	CI_COMMIT_AUTHOR: update-docs-ci
	# only commit and push changes on the main branch after the mr has been pushed.
	if: github.event_name == 'push'
	# Force-adds the doc directory, because the doc directory is still in .gitignore
	# to discourage changing the doc directory in a commit.
	run: \|
	git config --global user.name "${{ env.CI_COMMIT_AUTHOR }}"
	git config --global user.email "emproof-com@users.noreply.github.com"
	git add -f doc
	git commit -m "${{ env.CI_COMMIT_MESSAGE }}"
	git push

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