Update d.ts and api-gen of Dialog

api-generator/components/dialog.js

@@ -125,6 +125,12 @@ const DialogProps = [
         default: "true",
         description: "Keeps dialog in the viewport when dragging."
     },
+    {
+        name: "appendTo",
+        type: "string",
+        default: "body",
+        description: 'A valid query selector or an HTMLElement to specify where the dialog gets attached. Special keywords are "body" for document body and "self" for the element itself.'
+    }
 ];
 
 const DialogEvents = [