create and populate the /danger/manage-files.html template.

The template is pretty much ready to go with this commit. CSS stuff and data
population already added.

templates/danger/manage-files.html

@@ -0,0 +1,109 @@
+{% extends "layouts/default.html" %}
+{% block title %}Nicola Ellis & Ritherdon Archive{% endblock %}
+{% block content %}
+<main class="be-main">
+    <h1 class="be-warning">Delete Files</h1>
+    <p class="be-warning">
+        <strong>Warning:</strong> Deleting files here might leave the site's database
+        out-of-sync. with the files stored on the server and corrupt the system.
+    </p>
+    <h2>Archive Files</h2>
+    <div class="be-storage-section">
+	{% for item in archive-files %}
+	<div class="be-storage-entry">
+	    {% if roles.administrator %}
+	    <form class="be-storage-delete"
+		  action="/danger/delete-file"
+		  method="POST">
+		<input required
+		       type="hidden"
+		       name="AUTHENTICITY-TOKEN"
+		       value="{{token}}">
+                <input required
+		       type="hidden"
+		       name="FILENAME"
+		       value="{{item}}">
+                <input required
+		       type="hidden"
+		       name="DIRECTORY"
+		       value="archive">
+		<button class="be-gui-button-no-text"
+			title="Click to delete '{{item}}'"
+			type="submit">
+		    <img alt="Delete {{item}}"
+			 src="/images/icons/delete-entry.png">
+		</button>
+	    </form>
+            <p>{{item}}</p>
+	    {% endif %}
+	</div>
+	{% endfor %}
+    </div>
+
+    <h2>Pages Files</h2>
+    <div class="be-storage-section">
+	{% for item in pages-files %}
+	<div class="be-storage-entry">
+	    {% if roles.administrator %}
+	    <form class="be-storage-delete"
+		  action="/danger/delete-file"
+		  method="POST">
+		<input required
+		       type="hidden"
+		       name="AUTHENTICITY-TOKEN"
+		       value="{{token}}">
+                <input required
+		       type="hidden"
+		       name="FILENAME"
+		       value="{{item}}">
+                <input required
+		       type="hidden"
+		       name="DIRECTORY"
+		       value="pages">
+		<button class="be-gui-button-no-text"
+			title="Click to delete '{{item}}'"
+			type="submit">
+		    <img alt="Delete {{item}}"
+			 src="/images/icons/delete-entry.png">
+		</button>
+	    </form>
+            <p>{{item}}</p>
+	    {% endif %}
+	</div>
+	{% endfor %}
+    </div>
+
+    <h2>Media Files</h2>
+    <div class="be-storage-section">
+	{% for item in media-files %}
+	<div class="be-storage-entry">
+	    {% if roles.administrator %}
+	    <form class="be-storage-delete"
+		  action="/danger/delete-file"
+		  method="POST">
+		<input required
+		       type="hidden"
+		       name="AUTHENTICITY-TOKEN"
+		       value="{{token}}">
+                <input required
+		       type="hidden"
+		       name="FILENAME"
+		       value="{{item}}">
+                <input required
+		       type="hidden"
+		       name="DIRECTORY"
+		       value="media">
+		<button class="be-gui-button-no-text"
+			title="Click to delete '{{item}}'"
+			type="submit">
+		    <img alt="Delete {{item}}"
+			 src="/images/icons/delete-entry.png">
+		</button>
+	    </form>
+            <p>{{item}}</p>
+	    {% endif %}
+	</div>
+	{% endfor %}
+    </div>
+</main>
+{% endblock %}