add badge to readme #2

	name: CI

	on: [push, pull_request]

	jobs:
	install_and_test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Cache pip dependencies
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install virtualenv and activate
	run: \|
	pip install virtualenv
	virtualenv venv
	source venv/bin/activate

	- name: Install invariants-py
	run: pip install .

	- name: Install fatrop
	run: \|
	git clone https://github.com/meco-group/fatrop.git --recursive
	cd fatrop
	sudo apt-get update && sudo apt-get install -y cmake
	export CMAKE_ARGS="-DBLASFEO_TARGET=X64_AUTOMATIC -DENABLE_MULTITHREADING=OFF"
	cd fatropy
	pip install --upgrade pip setuptools
	pip install .
	cd ../..

	- name: Install rockit and rockit-fatrop plugin
	run: \|
	git clone https://gitlab.kuleuven.be/meco-software/rockit.git
	git clone https://gitlab.kuleuven.be/u0110259/rockit_fatrop_plugin.git ./rockit/rockit/external/fatrop
	cd rockit
	pip install .
	cd ..

	- name: Run examples
	run: python run_all_scripts.py

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