UPDATE: Add self update

frontend/bindings/firefly-launcher/internal/appservice.js

@@ -0,0 +1,24 @@
+// @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 {number} timeout
+ * @returns {Promise<[boolean, string]> & { cancel(): void }}
+ */
+export function CloseAppAfterTimeout(timeout) {
+    let $resultPromise = /** @type {any} */($Call.ByID(982751559, timeout));
+    return $resultPromise;
+}
+
+/**
+ * @returns {Promise<[boolean, string]> & { cancel(): void }}
+ */
+export function GetCurrentLauncherVersion() {
+    let $resultPromise = /** @type {any} */($Call.ByID(2542090372));
+    return $resultPromise;
+}