add cast, tags

layouts/_default/single.html

@@ -4,7 +4,20 @@
 {{ define "main" }}
     <article>
         <h1 class="display-3 text-center">{{ .Title }}</h1>
-        <p class="text-center"><time datetime="{{ .Date }}">{{ .Date.Format "2006-01-02" }}</time></p>
+        <p class="text-center"><time datetime="{{ .Date }}">{{ .Date.Format "2006-01-02" }}</time>
+        {{ if .Params.tags }}
+            |
+            {{range .Params.tags}}
+                <a class="btn btn-primary" href="/tags/{{ . | urlize }}" role="button">{{ . }}</a>
+            {{end}}
+        {{end}}
+        {{ if .Params.categories }}
+            |
+            {{range .Params.categories}}
+                <a class="btn btn-secondary" href="/categories/{{ . | urlize }}" role="button">{{ . }}</a>
+            {{end}}
+        {{end}}
+        </p>
         {{ .Content }}
     </article>
 {{ end }}