Add badges to README #148

	# Build Sphinx
	name: sphinx build pdf
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- uses: actions/setup-python@v2
	with:
	python-version: '3.8'
	- name: Install dependencies
	run: \|
	python3 -m pip install --upgrade pip
	pip install -r docs/requirements.txt
	sudo apt-get update -y
	sudo apt-get install -y latexmk texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended
	- name: Build with sphinx
	id: compile
	run: \|
	cp -R docs/source/figures docs/source/prevabs/figures
	python -msphinx -M latexpdf docs/source/prevabs docs/build
	- name: commit
	run: \|
	git config --local user.email "action@github.com"
	git config --local user.name "GitHub Action"
	git add -f docs/build/latex/PreVABSManual.pdf
	git commit -m "update pdf file"
	- name: Push changes
	uses: ad-m/github-push-action@master
	with:
	branch: main
	github_token: ${{ secrets.GITHUB_TOKEN }}

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