create /user/archive.html and /arctice.html templates.

Both templates aim to list out all the archives stored in the
system. The /user/archive.html template, also, includes admin/back-end
features like edit and delete links/controls.

templates/archive.html

@@ -0,0 +1,12 @@
+{% extends "layouts/default.html" %}
+{% block title %}A list of the site's archive entries.{% endblock %}
+{% block content %}
+<h1>Archive</h1>
+
+{% for entry in archive-entries %}
+<div>
+  <a href="/view/archive/{{entry.slug}}">{{entry.title}}</a>
+</div>
+{% endfor %}
+
+{% endblock %}

templates/user/archive.html

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+{% extends "layouts/default.html" %}
+{% block title %}Manage the site's archive.{% endblock %}
+{% block content %}
+<h1>Archive</h1>
+{% for entry in archive-entries %}
+<div>
+  <a href="/view/archive/{{entry.slug}}">{{entry.title}}</a>
+  <a href="/edit/archive/{{entry.slug}}">Edit</a>
+  {% if roles.administrator %}
+  <form action="/entry/delete" method="post">
+    <input required type="hidden" name="AUTHENTICITY-TOKEN" value="{{token}}">
+    <input required type="hidden" name="slug" value="{{entry}}">
+    <input type="submit" value="Delete">
+  </form>
+  {% endif %}
+</div>
+{% endfor %}
+{% endblock %}