Add mention of HQ to README #319

	## Based on https://github.com/actions-rs/meta/blob/master/recipes/quickstart.md
	##
	## While our "example" application has the platform-specific code,
	## for simplicity we are compiling and testing everything on the Ubuntu environment only.
	## For multi-OS testing see the `cross.yml` workflow.
	name: Test

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install stable toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	components: rustfmt, clippy

	- uses: Swatinem/rust-cache@v1

	- name: Build
	uses: actions-rs/cargo@v1
	with:
	command: build

	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test

	- name: Setup Python
	uses: actions/setup-python@v1
	with:
	python-version: "3.6"

	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install cython==0.29.15 numpy
	pip install -r scripts/requirements.txt

	- name: Test Python
	run: python -m pytest tests

	- name: Lint
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings

	- name: Formatting
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

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