chore(config): 添加编辑器配置和 Git 属性设置

- 配置 .editorconfig 文件统一代码风格
- 设置 UTF-8 编码和 LF 行尾
- 为解决方案文件和批处理脚本配置 CRLF 行尾
- 配置 .gitattributes 统一文本文件行尾规范化
- 设置二进制文件不进行行尾转换
- 指定各类源码文件使用 LF 行尾

.editorconfig

@@ -0,0 +1,18 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+
+[*.sln]
+end_of_line = crlf
+
+[*.bat]
+end_of_line = crlf
+
+[*.cmd]
+end_of_line = crlf
+
+[*.ps1]
+end_of_line = crlf

.gitattributes

@@ -0,0 +1,35 @@
+# Keep repository text normalized to LF unless a file format is known to require CRLF.
+* text=auto eol=lf
+
+# Solution and Windows-native scripts are more interoperable when they keep CRLF in the working tree.
+*.sln text eol=crlf
+*.bat text eol=crlf
+*.cmd text eol=crlf
+*.ps1 text eol=crlf
+
+# Source, config, scripts, and documentation stay LF across WSL and Windows editors.
+*.sh text eol=lf
+*.cs text eol=lf
+*.csproj text eol=lf
+*.props text eol=lf
+*.targets text eol=lf
+*.json text eol=lf
+*.yml text eol=lf
+*.yaml text eol=lf
+*.md text eol=lf
+*.ts text eol=lf
+*.js text eol=lf
+*.mts text eol=lf
+*.vue text eol=lf
+*.css text eol=lf
+
+# Common binary assets should never be line-normalized.
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.zip binary
+*.dll binary
+*.so binary
+*.pdb binary