feat: Add GitHub Action to generate C4 diagrams #1

	name: Generate C4 Diagrams

	on:
	push:
	branches:
	- main
	- develop
	paths:
	- 'docs/c4-diagram.structurizr'
	- '.github/workflows/generate-c4-diagrams.yml'
	pull_request:
	paths:
	- 'docs/c4-diagram.structurizr'
	- '.github/workflows/generate-c4-diagrams.yml'
	workflow_dispatch:

	jobs:
	generate-diagrams:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	# For PRs, checkout the head branch to allow commits
	ref: ${{ github.event.pull_request.head.ref \|\| github.ref }}

	- name: Generate C4 diagrams
	run: \|
	docker run --rm -v ${{ github.workspace }}/docs:/docs extenda/structurizr-to-png \
	--path c4-diagram.structurizr \
	--output images

	- name: Commit and push changes
	run: \|
	git config --local user.email "github-actions[bot]@users.noreply.github.com"
	git config --local user.name "github-actions[bot]"
	git add docs/images/
	if ! git diff --staged --quiet; then
	git commit -m "chore: update C4 diagrams [skip ci]"
	git push
	else
	echo "No changes in generated diagrams"
	fi

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