Add "Tutorials" sidebar and create new podtato-head tutorial #669

	name: LitmusDocs-CI
	on:
	pull_request:
	types: [opened, synchronize, reopened]
	paths:
	- "website/**"

	jobs:
	embedmdCheck_and_linksVerification:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	ref: ${{steps.getcommit.outputs.sha}}

	- uses: actions/setup-go@v2
	with:
	stable: "false"
	go-version: "1.14.0"

	- name: Links Verification
	run: \|
	go get -u -v github.com/bmuschko/link-verifier
	link-verifier --dirs website,README.md --fail=false

	- name: Installing and Running embedmed
	run: \|
	sudo apt install boxes
	go get github.com/campoy/embedmd
	cd website/docs
	embedmd -w $(find */.md)
	continue-on-error: true

	- name: embedmd check
	run: \|
	export TERM=xterm-256color
	count=$(git status -s\| wc -l)
	if [ "$count" -ne "0" ]
	then
	tput setaf 1; echo "Error: embedmd check failed"
	tput setaf 4; echo "Please check the following files need an embedmd run:"
	output=$(git status -s)
	echo "$output" \| boxes -d stone -p a2v1
	tput setaf 3; echo "Please follow the instructions to run embedmd:"
	tput setaf 3; echo "cd website/docs"
	tput setaf 3; echo "embedmd -w \$(find */.md)"
	tput setaf 6; echo "For more info visit https://github.com/litmuschaos/litmus-docs/blob/master/CONTRIBUTING.md"
	exit 1
	else
	tput setaf 2; echo "Nothing to embed"
	fi
	shell: sh

	ci:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Build
	run: docker build -t $GITHUB_REPOSITORY .

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