Added file using fs module

fileOperations.js

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

message.txt

+This file is created using fs module!
\ No newline at end of file