add api for descriptor to root domain, tidying things up

files/web/html/index.php

@@ -20,7 +20,18 @@
   <div class="card">
     <h2>Matt-Cloud Cosmostat Dashboard</h2>
     This dashboard shows the local Matt-Cloud system stats.<p>
+    <div class="help-link" id="helpToggle" >API</div>
   </div>
+
+  <div id="helpText" class="card">
+      <strong>Component Desriptor</strong><p>
+      To view the component descriptor, you may <br>
+      <code>
+      curl -s https://<?php echo $_SERVER['SERVER_NAME'] ?>/descriptor<br>
+      </code>
+      This will return the entire JSON descriptor variable 
+  </div>  
+  
   <div class="card">
     <div id="host_components" class="column">
 
@@ -115,5 +126,17 @@
   <!-- matt-cloud redis script -->
   <script src="src/redis.js"></script>
 
+  <!-- Toggle the help text when the link is clicked -->
+  <script>
+    document.getElementById('helpToggle').addEventListener('click', function () {
+        const help = document.getElementById('helpText');
+        if (help.style.display === 'none' || help.style.display === '') {
+            help.style.display = 'block';
+        } else {
+            help.style.display = 'none';
+        }
+    });
+</script>
+
 </body>
 </html>