add note bottom of page

meshview/templates/net.html

@@ -25,6 +25,7 @@
 
 #weekly-message { margin: 15px 0; font-weight: bold; color: #ffeb3b; }
 #total-count { margin-bottom: 10px; font-style: italic; color: #ccc; }
+#net-note { margin: 16px 0 0; font-size: 0.9rem; color: #aaa; }
 {% endblock %}
 
 {% block body %}
@@ -50,6 +51,10 @@
     <div id="chat-container">
         <div class="container" id="chat-log"></div>
     </div>
+
+    <div id="net-note">
+        Only the earliest report from each device is listed.
+    </div>
 </div>
 
 <script>