Add everything and anything

sample_interface/node_modules/date-fns/locale/lb.d.ts

@@ -0,0 +1,9 @@
+import type { Locale } from "./types.js";
+/**
+ * @category Locales
+ * @summary Luxembourgish locale.
+ * @language Luxembourgish
+ * @iso-639-2 ltz
+ * @author Daniel Waxweiler [@dwaxweiler](https://github.com/dwaxweiler)
+ */
+export declare const lb: Locale;