Adding last talks and updating frontpage with last talk at OSS NA #298

	name: build-pr

	on:
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- name: Setup Node
	uses: actions/setup-node@v1
	with:
	node-version: '16.x'
	- name: Checkout
	uses: actions/checkout@v2
	- name: Cache Node modules
	uses: actions/cache@v2
	with:
	path: ~/.npm
	key: npm-${{ runner.os }}-${{ hashFiles('package-lock.json') }}
	restore-keys: \|
	npm-${{ runner.os }}-
	npm-
	- name: Install Node modules
	run: npm install
	- name: Sass
	run: npm run sass
	- name: Sass Reveal.js
	run: npm run sass-revealjs
	- name: Eleventy
	run: \|
	npx eleventy \
	--output='_site/${{ github.head_ref }}' \
	--pathprefix='/${{ github.head_ref }}/'
	LC_TIME=C date > '_site/${{ github.head_ref }}/.stamp'
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./_site
	keep_files: true
	- name: Deploy link
	env:
	HEAD_REF: ${{ github.head_ref }}
	run: \|
	echo "Preview link: https://servo.org/$HEAD_REF/" >> $GITHUB_STEP_SUMMARY

	add_preview_link:
	runs-on: ubuntu-latest
	name: Comment preview link in the PR
	needs: build
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Comment PR
	uses: thollander/actions-comment-pull-request@v2
	with:
	message: \|
	Preview link: https://servo.org/${{ github.head_ref }}/

Provide feedback