.github: add CI files and issue templates #8

	name: "StrictDoc on Linux"

	on:
	pull_request:
	branches: [ "**" ]

	jobs:
	build:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	python-version: [
	"3.9", "3.12"
	]

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}

	- name: Upgrade pip
	run: \|
	python -m pip install --upgrade pip

	- name: Install Python packages
	run: \|
	pip install -r requirements.development.txt

	- name: Clone HTML2PDF.js
	run: \|
	invoke bootstrap
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Install HPDF dependencies.
	run: \|
	python developer/pip_install_hpdf_deps.py

	- name: Run Lint tasks
	run: \|
	invoke lint

	- name: Run tests
	run: \|
	invoke test

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