feat: enable stricter type checking options

feat: make the app more fault tolerant

src/i18n/formatters.ts

@@ -2,7 +2,7 @@ import type { FormattersInitializer } from "typesafe-i18n";
 import type { Locales, Formatters } from "./i18n-types";
 
 export const initFormatters: FormattersInitializer<Locales, Formatters> = (
-  locale: Locales,
+  _locale: Locales,
 ) => {
   const formatters: Formatters = {
     // add your formatter functions here