feat: renamed files/folders to lowercase

utils/save-to-file.js

@@ -0,0 +1,9 @@
+const fs = require('fs');
+
+const saveToFile = (fileName, data) => {
+  fs.writeFileSync(fileName, data, err => {
+    if (err) { return console.log(err) }
+  });
+}
+
+module.exports = { saveToFile };