fix: language code conversion (#53)

src/routes/server.tsx

@@ -104,7 +104,7 @@ export default function ServerPage() {
             accessorFn: (row) => row.host.version || t("Unknown"),
         },
         {
-            header: t("Enable") + t("DDNS"),
+            header: t("EnableDDNS"),
             accessorKey: "enableDDNS",
             accessorFn: (row) => row.enable_ddns ?? false,
         },

src/routes/settings.tsx

@@ -79,6 +79,7 @@ export default function SettingsPage() {
         defaultValues: config
             ? {
                   ...config,
+                  language: config.language.replace("_", "-"),
                   site_name: config.site_name || "",
                   user_template:
                       config.user_template ||