docs: update README and example workflow for Copilot setup steps; add… #1

	# Copilot setup steps workflow - required by GitHub Copilot coding agent
	# This workflow will be executed by GitHub Actions before Copilot starts a session.
	# It must define a single job named `copilot-setup-steps` and may only customize
	# the following settings: runs-on, permissions, services, steps, snapshot and timeout-minutes.
	# See: https://docs.github.com/en/copilot/how-tos/use-copilot-agents/coding-agent/customize-the-agent-environment

	name: "Copilot Setup Steps"

	on:
	workflow_dispatch: {}
	push:
	paths:
	- .github/workflows/copilot-setup-steps.yml
	pull_request:
	paths:
	- .github/workflows/copilot-setup-steps.yml

	permissions:
	contents: read

	jobs:
	# The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
	copilot-setup-steps:
	runs-on: ubuntu-latest
	# timeout-minutes: 30
	steps:
	- name: Checkout repository
	uses: actions/checkout@v5
	with:
	fetch-depth: 0 # overridden by Copilot to allow rollback if requested

	- name: Set up Node.js (example)
	uses: actions/setup-node@v4
	with:
	node-version: '20'
	cache: 'npm'

	- name: Install JS dependencies (example)
	run: npm ci

	# Optional: install additional tools your project needs (Python, Ruby, etc.)
	# - name: Set up Ruby
	# uses: ruby/setup-ruby@v1
	# with:
	# ruby-version: '3.1'

	# - name: Install Ruby gems
	# run: bundle install --jobs 4 --retry 3

	# If you use Git LFS, make sure to enable it in checkout:
	# - uses: actions/checkout@v5
	# with:
	# lfs: true

	# You may add services, snapshot, or timeout-minutes if needed. Keep permissions minimal.

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