feat(widget): add category widget (#475)

* Add category widget

Adds the ability to add a category to the widgets.

* Adapt to new widget scheme

Co-authored-by: Jimmy Cai <github@jimmycai.com>

assets/icons/categories.svg

@@ -0,0 +1,9 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-hash" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+  <path stroke="none" d="M0 0h24v24H0z"/>
+  <line x1="5" y1="9" x2="19" y2="9" />
+  <line x1="5" y1="15" x2="19" y2="15" />
+  <line x1="11" y1="4" x2="7" y2="20" />
+  <line x1="17" y1="4" x2="13" y2="20" />
+</svg>
+
+

i18n/en.yaml

@@ -51,6 +51,9 @@ widget:
     tagCloud:
         title:
             other: Tags
+    categoriesCloud:
+        title:
+            other: Categories
 
 search:
     title:

layouts/partials/widget/categories.html

@@ -0,0 +1,16 @@
+{{- $context := .Context -}}
+{{- $limit := default 10 .Params.limit -}}
+<section class="widget tagCloud">
+    <div class="widget-icon">
+        {{ partial "helper/icon" "categories" }}
+    </div>
+    <h2 class="widget-title section-title">{{ T "widget.categoriesCloud.title" }}</h2>
+
+    <div class="tagCloud-tags">
+        {{ range first $limit $context.Site.Taxonomies.categories.ByCount }}
+            <a href="{{ .Page.RelPermalink }}" class="font_size_{{ .Count }}">
+                {{ .Page.Title }}
+            </a>
+        {{ end }}
+    </div>
+</section>