Adding ISOThread and UNC Thread

app/templates/admin/_iso_threads_table.html

@@ -0,0 +1,16 @@
+<div id="iso-thread-list" class="card">
+  <table class="table">
+    <thead>
+      <tr>
+        <th>ID</th><th>Diameter (mm)</th><th>Pitch (mm)</th><th>Depth (mm)</th><th></th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for t in threads %}
+        {% include "admin/_iso_thread_row.html" %}
+      {% else %}
+        <tr><td colspan="5" class="muted">No threads recorded.</td></tr>
+      {% endfor %}
+    </tbody>
+  </table>
+</div>