Add new checkers to validate documentation and fix all findings #13

	name: Matter Documentation Validation

	on:
	pull_request:
	branches:
	- main
	- 'v*-branch'

	paths:
	- 'docs/**'
	- 'samples/*/.rst'
	- 'scripts/matter_sample_checker/**'
	- '.github/workflows/doc-validation.yml'
	- 'west.yml'

	permissions:
	contents: read

	env:
	WEST_PATH_CACHE: ${{ github.workspace }}/west-path-cache

	jobs:
	matter-doc-validation:
	runs-on: ubuntu-24.04
	steps:
	- name: Checkout the code
	uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
	with:
	path: ncs-matter

	- name: Set up Python
	uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5
	with:
	python-version: 3.12
	cache: pip
	cache-dependency-path: \|
	ncs-matter/scripts/requirements.txt
	ncs-matter/docs/requirements-doc.txt

	- name: Install packages
	run: \|
	sudo apt-get update
	sudo apt-get install -y wget python3-pip git
	pip install -r ncs-matter/scripts/requirements.txt
	pip install -r ncs-matter/docs/requirements-doc.txt

	- name: Restore west module path cache
	uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
	with:
	path: west-path-cache
	key: west-path-cache-${{ hashFiles('ncs-matter/west.yml') }}
	restore-keys: \|
	west-path-cache-

	- name: Prepare west workspace
	run: \|
	rm -rf .west
	west init -l ncs-matter --mf west.yml
	west update -n -o=--depth=1 --path-cache "${WEST_PATH_CACHE}"

	- name: Validate Matter documentation
	run: \|
	python ncs-matter/scripts/matter_sample_checker/matter_doc_checker.py \
	--base ncs-matter

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