[ADF-2334] Added status icons and version index based on metadata (#2987)

* [ADF-2334] Added status icons to index page

* [ADF-2334] Improved status icons

* [ADF-2334] Added version index page

* [ADF-2334] Fixed bad anchors in version index

lib/config/DocProcessor/unistHelpers.js

@@ -110,6 +110,14 @@ module.exports = {
         }
     },
 
+    makeImage: function (url, alt) {
+        return {
+            "type": "image",
+            "url": url,
+            "alt": alt
+        }
+    },
+
     isHeading: function (node) {
         return node.type === "heading";
     },