Accessibility and SEO improvements (#296)

Co-authored-by: JCabak <kubaczento@gmail.com>

layouts/partials/cards/skill.html

@@ -1,5 +1,5 @@
 <div class="col-xs-12 col-sm-6 col-lg-4 pt-2">
-  <a class="skill-card-link" href="{{ if .url }}{{ .url }}{{ else }}javascript:void(0){{ end }}" {{ if .url }}target="_blank"{{ end }}>
+  <a class="skill-card-link" {{ if .url }}href="{{ .url }}" title="{{ .name }}" target="_blank" rel="noopener"{{ end }}>
     <div class="card">
       <div class="card-head d-flex">
         {{ if .logo }}