Add option to serve metrics via http #147

	---
	name: Code Style
	on:
	- push
	- pull_request
	jobs:
	flake:
	if: github.event_name == 'push' \|\| github.event.pull_request.head.repo.full_name != github.repository
	name: flake8
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/poetry.lock') }}
	restore-keys: \|
	${{ runner.os }}-pip-${{ hashFiles('**/poetry.lock') }}
	- name: Install Dependencies
	run: \|
	python -m pip install poetry
	poetry self add "poetry-dynamic-versioning[plugin]"
	poetry install
	- name: Lint with flake8
	run: poetry run flake8 --show-source src

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