[CI/CD] Add ci/cd workflows, and link to README #17

	name: Test on PR

	on:
	pull_request:
	push:
	branches: [master]

	jobs:
	tests:
	name: Run unittest
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements/requirements.txt

	- name: Install the package
	run: \|
	pip install -vvv .
	pip show -f pixiv_utils
	python -c "import pixiv_utils"

	- name: Test with unittest
	env:
	HTTPS_PROXY: ""
	run: \|
	cd tests/
	bash run_tests.sh

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