add tag page

views/tags.html

@@ -0,0 +1,15 @@
+@include(snippets/header)
+<div id="main">
+  <div class="container">
+    <h3 style="text-align: center;">{{ phrase }}</h3>
+    <div class="tags">
+      @each(toptags as toptag)
+      <div class="tag badge badge-light mr-2">
+        <span class="toptag_id">{!! toptag.tag !!}</span>
+        <span class="toptag_tag"><a href="/tag/{!! toptag.tag !!}">{{ toptag.total_items }}</a></span>
+      </div>
+      @endeach
+    </div>
+  </div>
+</div>
+@include(snippets/footer)