Add rebase check workflow. #9

	name: CI

	"on": [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # full history for metadata
	submodules: true

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9

	- name: Python install
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt
	python -m pip install "ltd-conveyor<2.0.0"

	- name: Build
	run: \|
	make html

	- name: Upload
	if: ${{ github.event_name == 'push' }}
	env:
	LTD_PASSWORD: ${{ secrets.LTD_PASSWORD }}
	LTD_USERNAME: ${{ secrets.LTD_USERNAME }}
	run: \|
	ltd upload --gh --dir _build/html --product dmtn-092

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