add documentation and fix schema definition documentation, #4062 #1342

	# Licensed to the Apache Software Foundation (ASF) under one or more
	# contributor license agreements. See the NOTICE file distributed with
	# this work for additional information regarding copyright ownership.
	# The ASF licenses this file to You under the Apache License, Version 2.0
	# (the "License"); you may not use this file except in compliance with
	# the License. You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	# This workflow will triage pull requests and apply a label based on the
	# paths that are modified in the pull request.

	name: LabelPrs
	on: [pull_request_target]
	permissions: read-all
	jobs:
	label:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	pull-requests: write
	steps:
	- uses: actions/labeler@v4
	with:
	repo-token: "${{ secrets.GITHUB_TOKEN }}"
	configuration-path: '.github/pr-rules.yml'
	sync-labels: true # Remove labels when matching files are reverted

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