feat: pretty build output

types/utilities.ts

@@ -1,5 +1,9 @@
 import type { Empty } from "./common.ts";
 
+export type Prettify<T> = {
+  [K in keyof T]: T[K];
+} & {};
+
 export type ExcludeEmptyFields<T> = {
   [K in keyof T as T[K] extends Empty ? never : K]: T[K];
 };