Rename 50. Pow(x, n).js to 0050-powx-n.js

Author: neetcode-gh

javascript/50. Pow(x, n).js javascript/0050-powx-n.js

@@ -139,4 +139,4 @@ var fastPow = (x, n) => {
  */
  var myPow = (x, n) => {
     return Math.pow(x,n).toFixed(5);
-}
+}