add button handling for describe settings

domain-server/resources/describe-settings.json

@@ -3,10 +3,20 @@
     "name": "metaverse",
     "label": "Metaverse Registration",
     "settings": [
+      {
+        "name": "connected_account",
+        "label": "Connected Account",
+        "type": "button",
+        "help": "Click the button above to connect your High Fidelity metaverse account.",
+        "button_label": "Connect High Fidelity Account",
+        "href": "https://metaverse.highfidelity.com/oauth/authorize?client_id=38e572ed35bc4d34c41fbf1fb4d00071bb7328b3d0ba06d1fba64aa3f44e71e4&redirect_uri=http%3A%2F%2Flocalhost%3A40100%2Foauth&response_type=code&scope=domains",
+        "persist": false
+      },
       {
         "name": "access_token",
         "label": "Access Token",
-        "help": "This is an access token generated on the <a href='https://metaverse.highfidelity.com/user/security' target='_blank'>My Security</a> page of your High Fidelity account.<br/>Generate a token with the 'domains' scope and paste it here.<br/>This is required to associate this domain-server with a domain in your account."
+        "help": "This is your OAuth access token to connect this domain-server with your High Fidelity account. <br/>It can be generated by clicking the 'Connect Account' button above.<br/>Alternatively, you can go to the <a href='https://metaverse.highfidelity.com/user/security' target='_blank'>My Security</a> page of your account and generate a token with the 'domains' scope and paste it here.",
+        "advanced": true
       },
       {
         "name": "id",

domain-server/resources/web/js/settings.js

@@ -73,6 +73,19 @@ var viewHelpers = {
           form_group += "</select>"
         
           form_group += "<input type='hidden'" + common_attrs + "value='" + setting_value + "'>"
+        } else if (input_type === 'button') {
+          // Is this a button that should link to something directly? 
+          // If so, we use an anchor tag instead of a button tag
+          
+          if (setting.href) {
+            form_group += "<a href='" + setting.href + "' class='btn btn-primary form-control' style='display: block;' role='button'" 
+              + common_attrs + ">" 
+              + setting.button_label + "</a>";
+          } else {
+            form_group += "<button class='btn btn-primary form-control'" + common_attrs + ">" 
+              + setting.button_label + "</button>";
+          }
+
         } else {
         
           if (input_type == 'integer') {