add a stylized default template

templates/tag.html

@@ -1,15 +1,16 @@
 {% extends "base.html" %}
 
+{% block tab_tags_selected -%}selected{% endblock -%}
+
 {% block content %}
-branch: {{tag.ref_name}}<br/>
-hash: {{tag.full_hash}} ({{tag.short_hash}})<br/>
-author: {{tag.author.name}}<br/>
-committer: {{tag.committer.name}}<br/>
-date: {{ts_to_date(ts=tag.ts_utc, tz=tag.ts_offset)}}<br/>
-summary: {{tag.summary}}<br/>
-<pre>{{tag.message}}</pre>
-<br/>
-commit: {%- if commit -%}<a href="../commit/{{commit.full_hash}}.html">{{commit.full_hash}}</a>
-<pre>{{commit.message}}</pre>
-{%-else-%}{{tag.tagged_id}}{%-endif-%}<br/>
+<div class="tag-page">
+  <table class="tag-header">
+    <tr class="header"><td class="field">tag:</td><td class="value">{{tag.ref_name}}</td></tr>
+    <tr class="header"><td class="field">hash:</td><td class="value">{{tag.full_hash}}</td></tr>
+    <tr class="header"><td class="field">tagged commit:</td><td class="value">{% if tag.tagged_id -%}{% if tag.tagged_id in commits -%}<a href="{{repo_url | safe}}/commit/{{tag.tagged_id}}.html">{{tag.tagged_id}}</a>{% else -%}{{tag.tagged_id}}{% endif -%}{% endif -%}</td></tr>
+    <tr class="header"><td class="field">author:</td><td class="value">{{tag.author.name}} <{{tag.author.email}}></td></tr>
+    <tr class="header"><td class="field">date:</td><td class="value">{{ts_to_git_timestamp(ts=tag.ts_utc, tz=tag.ts_offset)}}</td></tr>
+  </table>
+  <div class="tag-message"><pre>{{tag.message}}</pre></div>
+</div>
 {% endblock content %}