used fs and async await for file creation

index.js

+const fs = require("fs").promises;
+
+const createFile = async () => {
+  try {
+    await fs.writeFile("example.txt", "This is an example file created using fs module and async/await.");
+    console.log("File created successfully!");
+  } catch (error) {
+    console.error("Error creating file:", error);
+  }
+};
+
+createFile();
\ No newline at end of file

package.json

+{
+  "name": "files_async",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC"
+}