chore: change cdn

Use fastly.jsdelivr.net

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Author: yanglbme

index.html

@@ -6,7 +6,7 @@
   <title>算法与数据结构</title>
   <meta name="viewport"
     content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
-  <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/docsify/lib/themes/vue.css" />
+  <link rel="stylesheet" href="//fastly.jsdelivr.net/npm/docsify/lib/themes/vue.css" />
   <link rel="icon" type="image/png" sizes="32x32" href="images/favicon-32x32.png" />
   <link rel="icon" type="image/png" sizes="16x16" href="images/favicon-16x16.png" />
 </head>
@@ -38,17 +38,12 @@
       ],
     };
   </script>
-  <script src="//cdn.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-c.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-bash.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-cpp.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-json.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-java.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-python.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/docsify-copy-code"></script>
-  <script src="//cdn.jsdelivr.net/npm/docsify/lib/plugins/search.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/docsify/lib/plugins/emoji.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/docsify/lib/plugins/zoom-image.js"></script>
+  <script src="//fastly.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script>
+  <script src="//fastly.jsdelivr.net/npm/prismjs/components/prism-java.min.js"></script>
+  <script src="//fastly.jsdelivr.net/npm/docsify-copy-code"></script>
+  <script src="//fastly.jsdelivr.net/npm/docsify/lib/plugins/search.js"></script>
+  <script src="//fastly.jsdelivr.net/npm/docsify/lib/plugins/emoji.js"></script>
+  <script src="//fastly.jsdelivr.net/npm/docsify/lib/plugins/zoom-image.js"></script>
 </body>
 
 </html>