Build README #681

	name: Build README
	on:
	schedule:
	- cron: '0 0 * * *' # at 00:00 everyday
	push:
	branches:
	- main
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repo
	uses: actions/checkout@v2
	- name: Setup Python
	uses: actions/setup-python@v2
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r python/requirements.txt
	- name: Update README
	run: \|-
	python python/create_readme.py
	cat README.md
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	- name: Commit changes
	run: \|
	git config user.name "STAC CI"
	git config user.email "[email protected]"
	git add -A
	timestamp=$(date -u)
	git commit -m ":robot: Automated update README: ${timestamp} [skip ci]" \|\| exit 0
	git push

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