Add Chronus CI workflow and update changelog docs to reference `azpysdk changelog` #8

	name: Chronus Verify

	on:
	pull_request:
	branches: [main]
	paths:
	- "sdk///**"

	jobs:
	chronus-verify:
	name: Verify Chronus Change Descriptions
	if: >-
	github.event.pull_request.user.login != 'azure-sdk'
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0 # needed so chronus can diff against base branch

	- uses: actions/setup-node@v4
	with:
	node-version: lts/*
	cache: npm
	cache-dependency-path: .github/chronus/package-lock.json

	- name: Install pinned dependencies
	run: npm ci
	working-directory: .github/chronus

	- name: Run chronus verify
	run: .github/chronus/node_modules/.bin/chronus verify

	- name: Chronus verification failed – see docs
	if: failure()
	run: \|
	echo "::error::Chronus verification failed. Add a change description with 'azpysdk changelog add' (or 'npx chronus add' if you prefer raw Chronus)."
	echo "::error::See https://github.com/Azure/azure-sdk-for-python/blob/main/doc/dev/changelog_updates.md for instructions."

Provide feedback