Update README.md #4

	name: Update Table of Contents

	on:
	push:
	branches:
	- master
	paths:
	- 'README.md'

	jobs:
	update-toc:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Repository
	uses: actions/checkout@v2

	- name: Run doctoc Docker Container
	run: docker run --rm -v "$(pwd)":/app peterdavehello/npm-doctoc doctoc /app/README.md

	- name: Check if README was modified
	id: check-changes
	continue-on-error: true # Allow non-zero exit code
	run: \|
	git diff --exit-code README.md # if README.md was modified, it returns 1 (failure). If it wasn't modified, it returns 0 (success)

	- name: Commit and Push Changes
	if: steps.check-changes.outcome == 'failure'
	run: \|
	git config --global user.name "GitHub Actions"
	git config --global user.email "[email protected]"
	git add README.md
	git commit -m "Update Table of Contents"
	git push

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