Update gitignore (sorry)

electron/node_modules/electron-updater/out/AppAdapter.d.ts

@@ -0,0 +1,21 @@
+export interface AppAdapter {
+    readonly version: string;
+    readonly name: string;
+    readonly isPackaged: boolean;
+    /**
+     * Path to update metadata file.
+     */
+    readonly appUpdateConfigPath: string;
+    /**
+     * Path to user data directory.
+     */
+    readonly userDataPath: string;
+    /**
+     * Path to cache directory.
+     */
+    readonly baseCachePath: string;
+    whenReady(): Promise<void>;
+    quit(): void;
+    onQuit(handler: (exitCode: number) => void): void;
+}
+export declare function getAppCacheDir(): string;