style: format code and docs with prettier

Author: rain84

solution/0400-0499/0476.Number Complement/README.md

@@ -129,9 +129,9 @@ function findComplement(num: number): number {
  * @param {number} num
  * @return {number}
  */
-var findComplement = function(num) {
+var findComplement = function (num) {
     return num ^ (2 ** num.toString(2).length - 1);
-}
+};
 ```
 
 <!-- tabs:end -->

solution/0400-0499/0476.Number Complement/README_EN.md

@@ -123,9 +123,9 @@ function findComplement(num: number): number {
  * @param {number} num
  * @return {number}
  */
-var findComplement = function(num) {
+var findComplement = function (num) {
     return num ^ (2 ** num.toString(2).length - 1);
-}
+};
 ```
 
 <!-- tabs:end -->