Fix Doxygen workflow to include autogen script before configuration #3

	name: Generate Doxygen Documentation

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	doxygen:
	name: Build & Deploy Doxygen Docs
	runs-on: ubuntu-latest
	# Skip CI on generated commits
	if: "!contains(github.event.head_commit.message, 'skip ci')"

	steps:
	- name: Check out repository
	uses: actions/checkout@v3
	with:
	persist-credentials: true # so we can push back to repo
	fetch-depth: 0 # needed to push commits

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y doxygen graphviz

	- name: Prepare Doxyfile
	# Use configure script to generate Doxyfile (Doxyfile.in must exist)
	run: \|
	./autogen.sh
	./configure

	- name: Generate documentation
	run: doxygen Doxyfile

	- name: Commit and push docs
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"
	git add docs
	git commit -m "chore: update Doxygen docs [skip ci]" \|\| echo "No changes to commit"
	git push origin HEAD:master

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