feat(settings): restructure settings layout and separate route modules

app/(dashboard)/settings/languages/new/page.tsx

@@ -0,0 +1,22 @@
+import { getSqliteConnection } from "@/server/db/client";
+import { I18nService } from "@/server/i18n/service";
+import { requireFreelancerBackend } from "@/server/web/freelancer";
+import { NewLanguageForm } from "./new-language-form";
+
+export default async function NewLanguagePage() {
+  const { actor } = await requireFreelancerBackend();
+  const service = new I18nService(getSqliteConnection().db);
+  const locales = service
+    .listLocales(actor)
+    .filter((locale) => locale.status !== "archived");
+  const defaultLocale = service.getSettings(actor).defaultLocale;
+
+  return (
+    <NewLanguageForm
+      defaultFallback={locales.some((locale) => locale.code === defaultLocale)
+        ? defaultLocale
+        : locales[0]?.code ?? "tr"}
+      fallbackOptions={locales.map(({ code, nativeName }) => ({ code, nativeName }))}
+    />
+  );
+}