Include uploaded files in search results endpoint

app/models/api/FileGroup.model.js

@@ -22,6 +22,10 @@ class FileGroup extends Model {
     }
     
     // Static and instance methods can go here
+    get page() {
+        const Page = require('./Page.model')
+        return this.belongs_to_one(Page, 'PageId', 'UUID')
+    }
 }
 
 module.exports = exports = FileGroup