Allow splitting translations

README.md

@@ -35,6 +35,8 @@ Nested translations don't change how you use translation keys, so nothing should
 └── bot.ts
 ```
 
+By splitting translations you don't change how you retrieve the keys contained within them, so for example, a key called `greeting` which is located in either the `locales/it.ftl` and `locales/en/dialogues/greeting.ftl` files can be retrieved by simply using `ctx.t("greeting")`.
+
 Example bot
 [not using sessions](https://grammy.dev/plugins/i18n.html#without-sessions):
 

src/types.ts

@@ -19,10 +19,10 @@ export type LoadLocaleOptions = FilepathOrSource & {
   bundleOptions?: FluentBundleOptions;
 };
 
-export type NestedTranslation = {
+export interface NestedTranslation {
   belongsTo: LocaleId;
   translationSource: string;
-};
+}
 
 export interface FluentOptions {
   warningHandler?: WarningHandler;