Add supporting themes required for Lotusdocs

themes/hugo-mod-jslibs-dist/popperjs/package/lib/dom-utils/getClippingRect.d.ts

@@ -0,0 +1,3 @@
+import type { ClientRectObject } from "../types";
+import type { Boundary, RootBoundary } from "../enums";
+export default function getClippingRect(element: Element, boundary: Boundary, rootBoundary: RootBoundary): ClientRectObject;