new homepage layout

_data/catz.yml

@@ -0,0 +1,4 @@
+Meta: ["About","History","Events"]
+Standards and Development: ["Verifiable Credentials and Decentralized Identifiers","Related Standards","Open Source Projects","Technology","Standards Development Orgs"]
+Organizations: ["Companies","Community Orgs","Standards Development Orgs"]
+Application: ["Government","Uses","Decentralized Web","Web 3"]

_layouts/home.html

@@ -19,10 +19,12 @@ layout: archive
     {% assign categories_max = category[1].size %}
   {% endif %}
 {% endfor %}
-<ul class="taxonomy__index">
+{% for item in site.data.catz %}
+  <strong>{{ item[0] | upcase }}</strong>
+  <ul class="taxonomy__index">
   {% for i in (1..categories_max) reversed %}
     {% for category in site.categories %}
-      {% if category[1].size == i %}
+      {% if category[1].size == i and item[1] contains category[0] %}
         <li>
           <a href="/categories/#{{ category[0] | slugify }}">
             <strong>{{ category[0] }}</strong> <span class="taxonomy__count">{{ i }}</span>
@@ -31,7 +33,8 @@ layout: archive
       {% endif %}
     {% endfor %}
   {% endfor %}
-</ul>
+  </ul>
+{% endfor %}
 <h2>Tags Grouped by Section</h2>
 <p>This system of navigation is part of an ongoing transition towards making this content, and its subject-matter, more accessible based upon the specific topic you are interested in.</p>
 <h3>Sections</h3>