[Docs] - Added a documentation website. (#55) #1

	name: Build and deploy documentation website
	on:
	push:
	branches:
	main
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: ./doc/website
	steps:
	# Checkout the repository
	- uses: actions/checkout@v3

	# Setup a Dart environment
	- uses: dart-lang/setup-dart@v1

	# Download all the packages that the app uses
	- run: dart pub get

	# Build the static site
	- run: dart run bin/dart_rss_docs.dart
	env:
	GHUB_DOC_WEBSITE_TOKEN: ${{ vars.GHUB_DOC_WEBSITE_TOKEN }}

	# Zip and upload the static site.
	- name: Upload artifact
	uses: actions/upload-pages-artifact@v1
	with:
	path: ./doc/website/build

	deploy:
	name: Deploy
	needs: build
	runs-on: ubuntu-latest

	# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
	permissions:
	pages: write # to deploy to Pages
	id-token: write # to verify the deployment originates from an appropriate source

	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}

	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v2

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