added necessary npm packages

node_modules/capture-stack-trace/index.js

@@ -0,0 +1,18 @@
+'use strict';
+
+module.exports = Error.captureStackTrace || function (error) {
+	var container = new Error();
+
+	Object.defineProperty(error, 'stack', {
+		configurable: true,
+		get: function getStack() {
+			var stack = container.stack;
+
+			Object.defineProperty(this, 'stack', {
+				value: stack
+			});
+
+			return stack;
+		}
+	});
+};