feat: polish language

lib/i18n/dictionaries/index.ts

@@ -1,11 +1,13 @@
 import { de } from "./de"
 import { en } from "./en"
 import { es } from "./es"
+import { pl } from "./pl"
 
 export const dictionaries = {
   en,
   es,
   de,
+  pl,
 } as const
 
 export type GuestDictionary = typeof en