🙄 新增 .gitattributes 文件，解决 Github 默认语言显示不是 C# 问题

.gitattributes

@@ -0,0 +1,8 @@
+*.md linguist-language=C# 
+*.mdx linguist-language=C# 
+*.ps1 linguist-language=C# 
+*.yml linguist-language=C# 
+*.html linguist-language=C# 
+*.js linguist-language=C# 
+*.xml linguist-language=C#
+*.css linguist-language=C#