Update electron forge packager config

Author: Shellishack

forge.config.ts

@@ -23,10 +23,17 @@ const config: ForgeConfig = {
     afterComplete: [
       (extractPath, electronVersion, platform, arch, done) => {
         // move node_modules/electron-serve to the app directory
-        fs.moveSync(
-          path.join(extractPath, "resources/electron-serve"),
-          path.join(extractPath, "resources/app/node_modules/electron-serve"),
+        const from = path.join(extractPath, "node_modules/electron-serve");
+        const to = path.join(
+          extractPath,
+          "resources/app/node_modules/electron-serve",
         );
+        if (fs.existsSync(from)) {
+          fs.moveSync(
+            path.join(extractPath, "resources/electron-serve"),
+            path.join(extractPath, "resources/app/node_modules/electron-serve"),
+          );
+        }
         done();
       },
     ],