add task queue for emails to send asynchronously #715

	name: Code Quality Checks

	on: [push]

	jobs:
	black:
	name: 'Check code quality with black'
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: 'Set up Python 3.7'
	uses: actions/setup-python@v1
	with:
	python-version: 3.7
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install black
	- name: Check formatting
	run: \|
	cd hiss
	black . --check --exclude=".*/migrations,env"
	flake:
	name: 'Check code health with Flake8'
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- uses: cclauss/GitHub-Action-for-Flake8@0.0.1
	with:
	args: "flake8 . --exclude=\"env,/migrations,__init__.py,hiss/hiss/settings/\" --max-line-length=120"
	pylint:
	name: 'Check code quality with pylint'
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: 'Set up Python 3.7'
	uses: actions/setup-python@v1
	with:
	python-version: 3.7
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r hiss/requirements.txt
	- name: Lint
	run: \|
	cd hiss
	pylint --exit-zero --rcfile=.pylintrc application rsvp shared status user volunteer

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