docs: Updates CONTRIBUTING & README #203

	name: demo

	on:
	push:
	branches: main
	pull_request:
	branches: main

	jobs:
	streamlit:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python: [3.9]
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	architecture: x64
	- name: Cache python modules
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-python-${{ matrix.python }}-${{ hashFiles('pyproject.toml') }}-demo
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e ".[demo]" --upgrade

	- name: Run demo app
	run: \|
	screen -dm streamlit run demo/app.py --server.port 8080
	sleep 10 && nc -vz localhost 8080

Provide feedback