Update concept-overview.md #287

	name: Docs to PDF
	# This workflow is triggered on pushes to the repository.
	on:
	push:
	branches:
	- main
	# Paths can be used to only trigger actions when you have edited certain files, such as a file within the /docs directory
	paths:
	- 'viewpoints/**.md'
	- 'diagrams/**'
	- '**.md'
	- '**.yml'

	jobs:
	converttopdf:
	name: Build PDF
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: baileyjm02/markdown-to-pdf@v1
	with:
	input_dir: viewpoints
	output_dir: pdfs/
	images_dir: diagrams
	image_import: ../diagrams
	# Default is true, can set to false to only get PDF files
	build_html: false
	- name: Show files changed
	run: pwd; ls -la pdfs
	- uses: EndBug/add-and-commit@v9
	with:
	default_author: github_actions
	add: '*.pdf'

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