Add codespell to detect new typos and fix existing ones (even in prior versions since why not?) #531

	# This workflow converts your bikeshed (.bs) file to html and pushes to gh-pages

	name: CI

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the main branch
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	jobs:
	main:
	name: Build, Validate and Deploy
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	- uses: ome/spec-prod@main
	with:
	GH_PAGES_BRANCH: gh-pages
	VALIDATE_LINKS: false
	VALIDATE_MARKUP: false
	TOOLCHAIN: bikeshed

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