feat(dev): 配置 VSCode 开发环境并优化项目设置

index.html

@@ -1,9 +1,9 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="">
   <head>
-    <meta charset="UTF-8">
-    <link rel="icon" href="/favicon.ico">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta charset="UTF-8" />
+    <link rel="icon" href="/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Vite App</title>
   </head>
   <body>