Update gitignore (sorry)

electron/node_modules/builder-util-runtime/out/uuid.d.ts

@@ -0,0 +1,22 @@
+/// <reference types="node" />
+export declare class UUID {
+    private ascii;
+    private readonly binary;
+    private readonly version;
+    static readonly OID: Buffer;
+    constructor(uuid: Buffer | string);
+    static v5(name: string | Buffer, namespace: Buffer): any;
+    toString(): string;
+    inspect(): string;
+    static check(uuid: Buffer | string, offset?: number): false | {
+        version: undefined;
+        variant: string;
+        format: string;
+    } | {
+        version: number;
+        variant: string;
+        format: string;
+    };
+    static parse(input: string): Buffer;
+}
+export declare const nil: UUID;