[docs] Add documents on Allo features #97

	# Copyright Allo authors. All Rights Reserved.
	# SPDX-License-Identifier: Apache-2.0

	name: "Build documentation"
	on:
	push:
	branches:
	- main
	paths:
	- '.github/workflows/**'
	- 'docs/**'
	- 'tutorials/**'
	pull_request:
	branches:
	- main
	paths:
	- '.github/workflows/**'
	- 'docs/**'
	- 'tutorials/**'

	jobs:
	build:
	# This job runs on Linux
	runs-on: ubuntu-latest
	container:
	image: chhzh123/allo:llvm-19.x-py3.12

	steps:
	- name: Install rsync 📚
	run: \|
	apt-get update && apt-get install -y rsync
	- name: Install git
	run: \|
	apt-get install git
	git config --global --add safe.directory "$GITHUB_WORKSPACE"
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.ref }}
	fetch-depth: 0
	- name: Build Allo
	shell: bash
	run: \|
	source activate allo
	export LLVM_BUILD_DIR=/root/llvm-project/build
	python3 -m pip install -v -e .
	- name: Build docs
	shell: bash
	run: \|
	source activate allo
	export PATH=/root/llvm-project/build/bin:${PATH}
	cd docs
	python3 -m pip install -r requirements.txt
	make html
	- run: touch docs/build/html/.nojekyll
	# Create an artifact of the html output using Github action: https://github.com/actions/upload-artifact
	- uses: actions/upload-artifact@v4
	with:
	name: DocumentationHTML
	path: docs/build/html/
	- name: Deploy docs
	uses: JamesIves/github-pages-deploy-action@v4
	if: github.event_name == 'push'
	with:
	ACCESS_TOKEN: ${{ secrets.DEPLOY_ACCESS_TOKEN }}
	BRANCH: gh-pages
	FOLDER: docs/build/html/

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