Add github action to check urls are valid #1

	name: Check URLs

	on:
	push:
	branches: [ "main", rel-* ]
	pull_request:
	branches: [ "main", rel-* ]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: urls-checker-code
	uses: urlstechie/urlchecker-action@master
	with:
	subfolder: onnx
	file_types: .md,.py,.rst,.ipynb,.cc,.h,.cpp
	print_all: false
	timeout: 2
	retry_count# : 2
	# exclude_urls: https://...,...
	# exclude_patterns: https://...
	force_pass: true # make the action pass until we fix urls

	- name: urls-checker-docs
	uses: urlstechie/urlchecker-action@master
	with:
	subfolder: docs
	file_types: .md,.py,.rst,.ipynb,.cc,.h,.cpp
	print_all: false
	timeout: 2
	retry_count# : 2
	# exclude_urls: https://...,...
	# exclude_patterns: https://...
	force_pass: true # make the action pass until we fix urls

	- name: urls-checker-community
	uses: urlstechie/urlchecker-action@master
	with:
	subfolder: community
	file_types: .md,.py,.rst
	print_all: false
	timeout: 2
	retry_count# : 2
	# exclude_urls: https://...,...
	# exclude_patterns: https://...
	force_pass: true # make the action pass until we fix urls

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