feat(client_details.html): add temporary initial telemetry display

src/judas_server/web/templates/client_details.html

@@ -18,6 +18,10 @@
       <strong>Last Seen:</strong>
       <span id="last-seen">{{ client.last_seen }}</span>
     </p>
+    <p>
+      <strong>Initial:</strong>
+      <pre>{{ client.initial_telemetry | tojson(indent=2) }}</pre>
+    </p>
   </body>
 
   <script>