Fix dependencies: Add flag-icons, tailwind directives, and postcss config

node_modules/is-what/dist/isOneOf.js

@@ -0,0 +1,15 @@
+/**
+ * A factory function that creates a function to check if the payload is one of the given types.
+ *
+ * @example
+ *   import { isOneOf, isNull, isUndefined } from 'is-what'
+ *
+ *   const isNullOrUndefined = isOneOf(isNull, isUndefined)
+ *
+ *   isNullOrUndefined(null) // true
+ *   isNullOrUndefined(undefined) // true
+ *   isNullOrUndefined(123) // false
+ */
+export function isOneOf(a, b, c, d, e) {
+    return (value) => a(value) || b(value) || (!!c && c(value)) || (!!d && d(value)) || (!!e && e(value));
+}