chore: update info

Author: KimYangOfCat

solution/0100-0199/0189.Rotate Array/README.md

@@ -136,7 +136,7 @@ var rotate = function (nums, k) {
 };
 ```
 
-使用三次数组翻转
+使用三次数组翻转 + 双指针实现翻转
 
 ```js
 /**
@@ -153,6 +153,7 @@ var rotate = function(nums, k) {
 
 };
 function reverse(nums, start, end){
+    //双指针实现翻转
     while(start < end){
         const temp = nums[start];
         nums[start] = nums[end];

solution/0100-0199/0189.Rotate Array/README_EN.md

@@ -112,7 +112,8 @@ var rotate = function (nums, k) {
     nums.splice(0, 0, ...nums.splice(-k, k));
 };
 ```
-Use three array flips
+
+Use three array reverses implemented by double pointers
 
 ```js
 /**
@@ -129,6 +130,7 @@ Use three array flips
 
 };
 function reverse(nums, start, end){
+    // reverse implemented by double pointers
     while(start < end){
         const temp = nums[start];
         nums[start] = nums[end];