Add supporting themes required for Lotusdocs

themes/hugo-mod-jslibs-dist/popperjs/package/lib/utils/mergePaddingObject.js

@@ -0,0 +1,4 @@
+import getFreshSideObject from "./getFreshSideObject.js";
+export default function mergePaddingObject(paddingObject) {
+  return Object.assign({}, getFreshSideObject(), paddingObject);
+}