Fixing the tutorials and exercises index #61

	name: Build and Deploy
	on:
	push:
	branches:
	- main
	- master
	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	persist-credentials: false
	submodules: recursive

	# NOTE: Python is necessary for the pre-rendering (minification) step
	- name: Install python
	uses: actions/setup-python@v2
	with:
	python-version: '3.11'
	# NOTE: Here you can install dependencies such as matplotlib if you use
	# packages such as PyPlot.
	# - run: pip install matplotlib
	- name: Install Julia
	uses: julia-actions/setup-julia@v1
	with:
	version: 1.9
	# NOTE
	# The steps below ensure that NodeJS and Franklin are loaded then it
	# installs highlight.js which is needed for the prerendering step
	# (code highlighting + katex prerendering).
	# Then the environment is activated and instantiated to install all
	# Julia packages which may be required to successfully build your site.
	# The last line should be `optimize()` though you may want to give it
	# specific arguments, see the documentation or ?optimize in the REPL.
	- run: julia -e '
	using Pkg; Pkg.activate("."); Pkg.instantiate();
	using NodeJS; run(`$(npm_cmd()) install highlight.js`);
	run(`$(npm_cmd()) install lunr`);
	run(`$(npm_cmd()) install cheerio`);
	include("process_materials.jl");
	using Franklin; serve(single=true); lunr();
	optimize()'

	- name: Build and Deploy
	uses: JamesIves/github-pages-deploy-action@releases/v3
	with:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	BRANCH: gh-pages
	FOLDER: __site

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