Add tutorial on how to write a netcat client and server in Rust #5796

	name: Correctness Checks
	on: [push, pull_request]
	jobs:
	Run-Markdown-Checks:
	runs-on: ubuntu-20.04
	steps:
	- name: checkout
	uses: actions/checkout@v2
	- name: Install Python dependencies
	uses: py-actions/py-dependency-install@v3
	with:
	path: "tools/requirements.txt"
	update-pip: "false"
	update-setuptools: "false"
	update-wheel: "false"
	- name: inspect_links
	run: python3 tools/inspect_links.py --num-warn 5
	- name: inspect_markdown
	run: python3 tools/inspect_markdown.py --num-recent 5

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