Move the playground files into docs/tutorial, dropped some older ones #1

	name: build docs
	description: 'Build the smith manual via asciidoctor'
Check failure on line 2 in .github/workflows/build-docs.yml View workflow run for this annotation GitHub Actions / build docs Invalid workflow file `The workflow is not valid. .github/workflows/build-docs.yml (Line: 2, Col: 1): Unexpected value 'description'`

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	doc_build:
	runs-on: ubuntu-latest
	name: building
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Get build container
	id: adocbuild
	uses: tonynv/asciidoctor-action@master
	with:
	program: "asciidoctor -D docs/smith --backend=xhtml5 -n -a toc=left -a source-hightlighter-pygments -o index.html docs/smith/manual.adoc"
	- name: Print execution time
	run: echo "Time ${{ steps.adocbuild.outputs.time }}"
	- name: Deploy docs to gh-pages
	uses: peaceiris/actions-gh-pages@v3
	with:
	deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
	publish_branch: gh-pages
	publish_dir: ./

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