upd XPO readme #1

	name: vale-validation
	on:
	pull_request:
	paths:
	- README.md
	- readme.md
	- Readme.md

	jobs:
	vale:
	name: runner / vale
	runs-on: ubuntu-latest
	steps:
	- name: clone repo
	uses: actions/checkout@v4
	- name: clone vale-styles repo
	uses: actions/checkout@v4
	with:
	repository: DevExpress/vale-styles
	path: vale-styles
	ssh-key: ${{ secrets.VALE_STYLES_ACCESS_KEY }}
	- name: copy vale rules to the root repo
	run: shopt -s dotglob && cp -r ./vale-styles/vale/* .

	- name: detect README file
	id: detect
	shell: bash
	run: \|
	set -euo pipefail

	found="$(find . -maxdepth 1 -type f -iname 'readme.md' -print \| head -n 1 \|\| true)"

	if [[ -z "$found" ]]; then
	echo "No README.md found in repo root. Nothing to lint."
	echo "files=[]" >> "$GITHUB_OUTPUT"
	exit 0
	fi

	found="${found#./}"

	echo "Found README: $found"
	echo "files=[\"$found\"]" >> "$GITHUB_OUTPUT"

	- name: vale linter check
	if: steps.detect.outputs.files != '[]'
	uses: DevExpress/vale-action@reviewdog
	with:
	files: ${{ steps.detect.outputs.files }}
	fail_on_error: true
	filter_mode: nofilter
	reporter: github-check

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