Added lazy load example and updated types for better experience

.changeset/six-bats-push.md

@@ -0,0 +1,5 @@
+---
+"i4n": patch
+---
+
+Updated types to allow string to be put in loaded and switch

examples/i4n-json/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "i4n-node",
+  "name": "i4n-json",
   "version": "1.0.0",
   "description": "",
   "main": "main.ts",

examples/i4n-lazy/README.md

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+# `i4n`-lazy
+
+This example demonstrates how to use the `i4n` package with lazy loading.
+
+Run it with:
+
+```bash
+npm run start
+```
+
+This will start the `main.ts` file, present in this same directory.

examples/i4n-lazy/fr.json

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+{
+  "fr": {
+    "hello": "Bonjour",
+    "world": "Terre"
+  }
+}

examples/i4n-lazy/main.ts

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+import { I4n } from "i4n";
+
+interface LanguageData {
+  hello: string;
+  key?: string;
+}
+type Language = "en" | "nl" | "fr";
+type TranslationSet = {
+  [lang in Language]?: LanguageData;
+};
+
+async function loadFrench(): Promise<TranslationSet> {
+  return await import("./fr.json");
+}
+
+export const translations = {
+  en: {
+    hello: "Hello World!",
+    key: "Somehow we do",
+  },
+  nl: {
+    hello: "Hallo Wereld!",
+  },
+} satisfies TranslationSet;
+
+const i4n = new I4n({
+  translations,
+  language: "en",
+  fallbackLanguage: "en",
+});
+
+const main = async () => {
+  console.log(i4n.t("hello")); // "Hello"
+
+  console.log("Swapping", i4n.switch("nl"));
+
+  console.log(i4n.t("hello"));
+
+  console.log(i4n.t("key"));
+
+  i4n.lazy({ loader: loadFrench });
+  await i4n.loaded({ lang: "fr" });
+  i4n.switch("fr");
+  console.log(i4n.t("hello"));
+};
+
+main();

examples/i4n-lazy/package.json

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+{
+  "name": "i4n-lazy",
+  "version": "1.0.0",
+  "description": "",
+  "main": "main.ts",
+  "scripts": {
+    "start": "tsx main.ts"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "",
+  "devDependencies": {
+    "@types/node": "^22.4.0",
+    "tsx": "^4.17.0",
+    "typescript": "^5.5.4"
+  },
+  "dependencies": {
+    "i4n": "^0.5.0"
+  }
+}