Many bug fixes and improvements (#1270)

* Add Ruby and Kotlin icons
Add the avatar of @curtishd

* Update README

* Synchronize zh-hant and zh versions.

* Translate the pythontutor blocks to traditional Chinese

* Fix en/mkdocs.yml

* Update the landing page of the en version.

* Fix the Dockerfile

* Refine the en landingpage

* Fix en landing page

* Reset the README.md

docs/index.html

@@ -111,22 +111,24 @@
 <!-- Section: brief introduction  -->
 <section data-md-color-scheme="slate" class="home-div">
     <div class="section-content">
-        <img src="index.assets/hello_algo_header.png" style="width: 100%; max-width: 39em;" alt="Preview">
+        <img src="index.assets/hello_algo_header.png" style="width: 100%; max-width: 41.5em;" alt="Preview">
         <div class="code-badge">
-            <img src="https://img.shields.io/badge/Python-snow?logo=python&logoColor=3776AB" alt="">
-            <img src="https://img.shields.io/badge/C%2B%2B-snow?logo=c%2B%2B&logoColor=00599C" alt="">
-            <img src="https://img.shields.io/badge/Java-snow?logo=coffeescript&logoColor=FC4C02" alt="">
-            <img src="https://img.shields.io/badge/C%23-snow?logo=csharp&logoColor=512BD4" alt="">
-            <img src="https://img.shields.io/badge/Go-snow?logo=go&logoColor=00ADD8" alt="">
-            <img src="https://img.shields.io/badge/Swift-snow?logo=swift&logoColor=F05138" alt="">
-            <img src="https://img.shields.io/badge/JavaScript-snow?logo=javascript&logoColor=E9CE30" alt="">
-            <img src="https://img.shields.io/badge/TypeScript-snow?logo=typescript&logoColor=3178C6" alt="">
-            <img src="https://img.shields.io/badge/Dart-snow?logo=dart&logoColor=0175C2" alt="">
-            <img src="https://img.shields.io/badge/Rust-snow?logo=rust&logoColor=000000" alt="">
-            <img src="https://img.shields.io/badge/C-snow?logo=c&logoColor=A8B9CC" alt="">
-            <img src="https://img.shields.io/badge/Zig-snow?logo=zig&logoColor=F7A41D" alt="">
+            <img src="https://img.shields.io/badge/Python-snow?logo=python&logoColor=3776AB" alt="" />
+            <img src="https://img.shields.io/badge/Java-snow?logo=coffeescript&logoColor=FC4C02" alt="" />
+            <img src="https://img.shields.io/badge/C%2B%2B-snow?logo=c%2B%2B&logoColor=00599C" alt="" />
+            <img src="https://img.shields.io/badge/C-snow?logo=c&logoColor=A8B9CC" alt="" />
+            <img src="https://img.shields.io/badge/C%23-snow?logo=csharp&logoColor=512BD4" alt="" />
+            <img src="https://img.shields.io/badge/JS-snow?logo=javascript&logoColor=E9CE30" alt="" />
+            <img src="https://img.shields.io/badge/Go-snow?logo=go&logoColor=00ADD8" alt="" />
+            <img src="https://img.shields.io/badge/Swift-snow?logo=swift&logoColor=F05138" alt="" />
+            <img src="https://img.shields.io/badge/Rust-snow?logo=rust&logoColor=000000" alt="" />
+            <img src="https://img.shields.io/badge/Ruby-snow?logo=ruby&logoColor=CC342D" alt="" />
+            <img src="https://img.shields.io/badge/Kotlin-snow?logo=kotlin&logoColor=7F52FF" alt="" />
+            <img src="https://img.shields.io/badge/TS-snow?logo=typescript&logoColor=3178C6" alt="" />
+            <img src="https://img.shields.io/badge/Dart-snow?logo=dart&logoColor=0175C2" alt="" />
+            <img src="https://img.shields.io/badge/Zig-snow?logo=zig&logoColor=F7A41D" alt="" />
         </div>
-        <p style="margin-top: 2em;">500 幅动画图解、12 种编程语言代码、3000 条社区问答，助你快速入门数据结构与算法</p>
+        <p style="margin-top: 2em;">500 幅动画图解、14 种编程语言代码、3000 条社区问答，助你快速入门数据结构与算法</p>
     </div>
 </section>
 
@@ -284,6 +286,14 @@
                         <br><sub>Zig, Rust</sub>
                     </a>
                 </div>
+                <div class="profile-cell">
+                    <a href="https://github.com/curtishd">
+                        <img class="profile-img" src="assets/avatar/avatar_curtishd.jpg"
+                            alt="Reviewer: curtishd" />
+                        <br><b>curtishd</b>
+                        <br><sub>Kotlin</sub>
+                    </a>
+                </div>
                 <div class="profile-cell">
                     <a href="https://github.com/Gonglja">
                         <img class="profile-img" src="assets/avatar/avatar_Gonglja.jpg" alt="Reviewer: Gonglja" />
@@ -347,7 +357,7 @@
         <!-- contributors -->
         <div style="margin: 2em auto;">
             <h3>贡献者</h3>
-            <p>本书在开源社区 140 多位贡献者的共同努力下不断完善，感谢他们付出的时间与精力！</p>
+            <p>本书在开源社区一百多位贡献者的共同努力下不断完善，感谢他们付出的时间与精力！</p>
             <a href="https://github.com/krahets/hello-algo/graphs/contributors">
                 <img src="https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=16" alt="Contributors"
                     style="width: 100%; max-width: 38.5em;">

docs/index.md

@@ -1,9 +1,5 @@
----
-comments: false
-glightbox: false
-hide:
-  - footer
-  - toc
-  - edit
-  - navigation
----
+# Hello 算法
+
+动画图解、一键运行的数据结构与算法教程
+
+[开始阅读](chapter_hello_algo/)