add code highlight

source/chapter3/01_About_the_Language_Reference.md

@@ -1,6 +1,10 @@
 > 翻译：[dabing1022](https://github.com/dabing1022)  
 > 校对：[numbbbbb](https://github.com/numbbbbb)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 
 # 关于语言附注
 -----------------

source/chapter3/02_Lexical_Structure.md

@@ -1,6 +1,10 @@
 > 翻译：[superkam](https://github.com/superkam)  
 > 校对：[numbbbbb](https://github.com/numbbbbb)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 词法结构
 -----------------
 

source/chapter3/03_Types.md

@@ -1,6 +1,10 @@
 > 翻译：[lyuka](https://github.com/lyuka)  
 > 校对：[numbbbbb](https://github.com/numbbbbb), [stanzhai](https://github.com/stanzhai)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 类型（Types）
 -----------------
 

source/chapter3/04_Expressions.md

@@ -1,6 +1,10 @@
 > 翻译：[sg552](https://github.com/sg552)  
 > 校对：[numbbbbb](https://github.com/numbbbbb), [stanzhai](https://github.com/stanzhai)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 表达式（Expressions）
 -----------------
 

source/chapter3/05_Declarations.md

@@ -1,6 +1,10 @@
 > 翻译：[marsprince](https://github.com/marsprince)  
 > 校对：[numbbbbb](https://github.com/numbbbbb), [stanzhai](https://github.com/stanzhai)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 声明
 -----------------
 

source/chapter3/06_Attributes.md

@@ -1,6 +1,10 @@
 > 翻译：[Hawstein](https://github.com/Hawstein)  
 > 校对：[numbbbbb](https://github.com/numbbbbb), [stanzhai](https://github.com/stanzhai)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 特性
 -----------------
 

source/chapter3/07_Patterns.md

@@ -1,6 +1,10 @@
 > 翻译：[honghaoz](https://github.com/honghaoz)  
 > 校对：[numbbbbb](https://github.com/numbbbbb), [stanzhai](https://github.com/stanzhai)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 模式（Patterns）
 -----------------
 

source/chapter3/08_Generic_Parameters_and_Arguments.md

@@ -1,6 +1,10 @@
 > 翻译：[fd5788](https://github.com/fd5788)  
 > 校对：[yankuangshi](https://github.com/yankuangshi), [stanzhai](https://github.com/stanzhai)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 泛型参数
 ---------
 

source/chapter3/09_Summary_of_the_Grammar.md

@@ -1,6 +1,10 @@
 > 翻译：[stanzhai](https://github.com/stanzhai)  
 > 校对：[xielingwang](https://github.com/xielingwang)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 语法总结
 _________________
 

source/chapter3/10_Statements.md

@@ -1,6 +1,10 @@
 > 翻译：[coverxit](https://github.com/coverxit)  
 > 校对：[numbbbbb](https://github.com/numbbbbb), [coverxit](https://github.com/coverxit), [stanzhai](https://github.com/stanzhai)
 
+<link rel="stylesheet" href="../assets/css/xcode.css">
+<script src="../assets/js/highlight.pack.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+
 # 语句
 -----------------