add spellchecker, some doc clean up #2

	name: 'Check spelling'
	on: # rebuild any PRs and main branch changes
	pull_request:
	push:

	jobs:
	spellcheck: # run the action
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: streetsidesoftware/cspell-action@v5
	with:
	# eventually we intend to fail the build on spelling errors
	# so we restrict this to the docs folder
	root: './docs'
	# only warn for now
	inline: warning # error
	strict: false # true fails the build
	config: '.'

Provide feedback