Added github action to lint markdown files. Addresses #55 #1

	name: Linting Markdown files
	on:
	push:
	pull_request:

	jobs:
	update-contributors:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Setup Python3.11
	uses: actions/setup-python@v4
	with:
	python-version: 3.11


	- name: Installing GitHub CLI
	run: \|
	sudo apt install -y gh jq nodejs npm

	- name: Installing python packages
	run: \|
	python -m pip install --upgrade pip
	pip install -r .github/workflows/markdown_linter/requirements.txt

	- name: Installing Markdown Linter
	run: \|
	sudo npm install -g markdownlint-cli

	- name: Markdown linting job has been triggered
	run: \|
	echo "The job was automatically triggered by a ${{ github.event_name }} event."
	- name: Running markdown linter
	run: \|
	markdownlint --config .github/workflows/markdown_linter/.markdownlint.yml --ignore-file .github/workflows/markdown_linter/mdlintignore.yml
	ret=$?
	if [ $ret -eq 1 ]; then
	echo "Linting failed. Please correct any errors and run the job again."
	exit 1
	fi

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