Mobile card active and GitHub Actions (#71)

* Remove js for mobile card click style

* Add headshot alt text and update example site

* Add html validator github action

* Debug GA

* Fix GA bug

layouts/partials/home-card.html

@@ -1,4 +1,4 @@
-<a ontouchstart="cardPressed.call(this)" ontouchend="cardReleased.call(this)" ontouchmove="cardReleased.call(this)" 
+<a 
   href="{{ .Site.BaseURL }}" class="card home-card" style="background-image: url({{if isset .Site.Params "homeimg"}} {{ (resources.Get .Site.Params.homeimg).Permalink | safeCSS }} {{ else }} {{ (resources.Get "img/grey-cloud.jpg").Permalink | safeCSS }} {{ end }})" rel="bookmark" >
   Home
 </a>