Merge pull request #205 from ZUOXIANGE/master #215

	name: docfx build
	on:
	push:
	branches:
	- master
	jobs:
	build:
	name: Build
	runs-on: windows-latest
	steps:
	# Check out the branch that triggered this workflow to the 'source' subdirectory
	- name: Checkout Code
	uses: actions/checkout@v2
	with:
	path: source
	- name: install DocFX
	run: "& choco install docfx -y"
	# Run a build
	- name: Build docs
	run: "& docfx ./docfx.json"
	working-directory: ./source
	# Check out gh-pages branch to the 'docs' subdirectory
	- name: Checkout docs
	uses: actions/checkout@v2
	with:
	ref: gh-pages
	path: docs
	# Sync the site
	- name: Clear docs repo
	run: Get-ChildItem -Force -Exclude .git \| ForEach-Object { Remove-Item -Recurse -Verbose -Force $_ }
	working-directory: ./docs
	- name: Sync new content
	run: Copy-Item -Recurse -Verbose -Force "$env:GITHUB_WORKSPACE/source/_site/*" "$env:GITHUB_WORKSPACE/docs"
	working-directory: ./docs
	# update docs
	- name: Commit to gh-pages and push
	run: \|
	$ErrorActionPreference = "Continue"
	git add -A
	git diff HEAD --exit-code
	if ($LASTEXITCODE -eq 0) {
	Write-Host "No changes to commit!"
	} else {
	git config --global user.name "github-actions-docfx[bot]"
	git config --global user.email "github-actions-bot@github.com"
	git commit -m "Updated docs from commit $env:GITHUB_SHA on $env:GITHUB_REF"
	git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
	git push origin gh-pages
	}
	working-directory: ./docs

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