added iframe and monaco editor

Author: Sarthakbh321

config-overrides.js

@@ -0,0 +1,6 @@
+const MonacoWebpackPlugin = require("monaco-editor-webpack-plugin");
+
+module.exports = function override(config, env) {
+	config.plugins.push(new MonacoWebpackPlugin());
+	return config;
+};