fix: spelling errors and add spellcheck CI workflow #1

	name: Spellcheck Documentation

	on:
	push:
	branches:
	- main
	paths:
	- '**.md'
	pull_request:
	paths:
	- '**.md'

	jobs:
	spellcheck:
	runs-on: ubuntu-latest
	name: Spellcheck Markdown Files
	# Non-blocking: spellcheck is advisory, not a merge barrier
	continue-on-error: true
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install aspell
	run: \|
	sudo apt-get update
	sudo apt-get install -y aspell aspell-en

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.x'

	- name: Install pyspelling
	run: pip install pyspelling

	- name: Run spellcheck
	run: python -m pyspelling --config .spellcheck.yml

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