added pgpkey icon and fixed but in tags listings

layouts/_default/term.html

@@ -12,7 +12,7 @@
       </div>
     </section>
   {{ end }}
-  <section>
+  <section class="mt-5 space-y-10 w-max">
     {{ range (.Paginate (.Pages.GroupByDate "2006")).PageGroups }}
       {{ if $.Params.groupByYear | default ($.Site.Params.list.groupByYear | default true) }}
         <h2 class="mt-12 text-2xl font-bold text-neutral-700 first:mt-8 dark:text-neutral-300">