UPDATE: Add ldiff

frontend/bindings/firefly-launcher/internal/language-service/languageservice.js

@@ -0,0 +1,27 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Call as $Call, Create as $Create} from "@wailsio/runtime";
+
+/**
+ * @param {string} path
+ * @returns {Promise<[boolean, string, string, string]> & { cancel(): void }}
+ */
+export function GetLanguage(path) {
+    let $resultPromise = /** @type {any} */($Call.ByID(3574191687, path));
+    return $resultPromise;
+}
+
+/**
+ * @param {string} path
+ * @param {string} text
+ * @param {string} voice
+ * @returns {Promise<[boolean, string]> & { cancel(): void }}
+ */
+export function SetLanguage(path, text, voice) {
+    let $resultPromise = /** @type {any} */($Call.ByID(2768939795, path, text, voice));
+    return $resultPromise;
+}