fix template test renderer, add category

templates/components/category.html

@@ -0,0 +1,14 @@
+<section class="category" data-testid="category-{{.ID}}">
+  <h3>{{.Name}}</h3>
+  <div class="role-container">
+    {{ range $_, $role := .Roles }} {{template "components/role" $role}} {{end}}
+    {{ if eq .Type "single" }}
+    <input
+      type="radio"
+      name="{{roleInputName .ID}}"
+      id="{{roleInputID .ID .ID}}"
+    />
+    <label for="{{roleInputID .ID .ID}}">None</label>
+    {{ end }}
+  </div>
+</section>