Add countdown timer functionality #89

	name: Build and Deploy
	on:
	push:
	branches:
	- main
	permissions:
	contents: write
	jobs:
	build-and-deploy:
	concurrency: ci-${{ github.ref }} # Recommended if you intend to make multiple deployments in quick succession.
	runs-on: ubuntu-latest
	steps:
	- name: Checkout 🛎️
	uses: actions/checkout@v4
	with:
	submodules: 'true'

	- name: npm install
	run: npm install
	- name: Validate the source files 🔬
	run: npm run validate
	- name: Generate docs 🖨️
	run: npm run docs
	- name: Generate thumbnail images 🗜️
	run: npm run thumbnails

	- name: Install and Build 🔧
	uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically
	- run: bundle exec jekyll build --config _config.yml,_config_production.yml

	- name: Deploy 🚀
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: _site # The folder the action should deploy.
	branch: gh-pages

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