feat: some locale links

packages/website/src/core/i18n/getBestLocale.ts

@@ -0,0 +1,11 @@
+import { DEFAULT_LOCALE, SUPPORTED_LOCALES } from '@blitzkit/core';
+
+export function getBestLocale() {
+  const desiredLocale = navigator.language.split('-')[0];
+  const isSupported = SUPPORTED_LOCALES.includes(desiredLocale);
+  const isDefault = desiredLocale === DEFAULT_LOCALE;
+
+  if (!isSupported || isDefault) return undefined;
+
+  return desiredLocale;
+}