feat: toggle button for switching between light and dark theme #94

	name: Run tests

	on:
	pull_request:
	branches: [master]

	jobs:
	tests:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Upgrade pip
	run: python -m pip install --upgrade pip setuptools
	- name: Install dependencies
	run: \|
	pip install .[dev]
	- name: Test lint, types, and format
	run: make test

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