fix: update domain

Author: harttle

README.en.md

@@ -10,7 +10,7 @@ Ready for contest use! Data structures and algorithms in pure JavaScript with ze
 
 Useful links:
 
-- Online playground: https://harttle.land/contest.js
+- Online playground: https://www.harttle.com/contest.js
 - LeetCode Tampermonkey script to run/check cases: https://greasyfork.org/zh-CN/scripts/402276-leetcode-helper-for-javascript
 
 **Table of Contents**

README.md

@@ -10,7 +10,7 @@
 
 有用链接：
 
-- 在线预览： https://harttle.land/contest.js
+- 在线预览： https://www.harttle.com/contest.js
 - 在 LeetCode 页面执行/判定用例： https://greasyfork.org/zh-CN/scripts/402276-leetcode-helper-for-javascript
 
 **索引**

docs/index.html

@@ -141,9 +141,8 @@ <h2>Output</h2>
       copyButton.addEventListener('click', () => {
         const template = templateEditor.getValue()
         const text = `/*
- * Template from contest.js
+ * Template from https://www.harttle.com/contest.js
  * Github: https://github.com/harttle/contest.js
- * Website: https://harttle.land/contest.js/
  */
 ${template}`
         console.log(`copy text:\n${text}`)