Add files

src/renderer/utils/random-string.ts

@@ -0,0 +1,9 @@
+export const randomString = (length?: number) => {
+  const charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+  let string = '';
+  for (let i = 0; i < (length || 12); i += 1) {
+    const randomPoz = Math.floor(Math.random() * charSet.length);
+    string += charSet.substring(randomPoz, randomPoz + 1);
+  }
+  return string;
+};