docs: 🐛 change a tab to blank to align

Timothy-Liuxf · web-flow · commit a5249f385f60 · 2022-12-04T18:34:19.000+08:00
diff --git a/docs/languages/CSharp/CSharp_1_basic.mdx b/docs/languages/CSharp/CSharp_1_basic.mdx
@@ -163,7 +163,7 @@ C# 的类型分为两种：值类型和引用类型（以及指针类型）。
 ```c#
 public struct Point
 {
-  	public int x;
+    public int x;
     public int y;
 }
 ```
