fix normalize line endings to LF

.gitattributes

@@ -0,0 +1,64 @@
+# Auto-detect text files and normalize line endings to LF on commit
+* text=auto eol=lf
+
+# Source code
+*.ts        text eol=lf
+*.tsx       text eol=lf
+*.js        text eol=lf
+*.jsx       text eol=lf
+*.mjs       text eol=lf
+*.cjs       text eol=lf
+*.json      text eol=lf
+*.css       text eol=lf
+*.scss      text eol=lf
+*.html      text eol=lf
+*.md        text eol=lf
+*.mdx       text eol=lf
+*.yml       text eol=lf
+*.yaml      text eol=lf
+*.toml      text eol=lf
+*.xml       text eol=lf
+*.svg       text eol=lf
+
+# Prisma
+*.prisma    text eol=lf
+
+# Config & env
+*.env       text eol=lf
+.env*       text eol=lf
+.editorconfig text eol=lf
+.gitignore  text eol=lf
+.gitattributes text eol=lf
+.prettierrc text eol=lf
+.eslintrc*  text eol=lf
+
+# Shell scripts (always LF)
+*.sh        text eol=lf
+*.bash      text eol=lf
+
+# Windows scripts (always CRLF)
+*.bat       text eol=crlf
+*.cmd       text eol=crlf
+*.ps1       text eol=crlf
+
+# Binary files (no line ending conversion)
+*.png       binary
+*.jpg       binary
+*.jpeg      binary
+*.gif       binary
+*.ico       binary
+*.webp      binary
+*.avif      binary
+*.pdf       binary
+*.woff      binary
+*.woff2     binary
+*.ttf       binary
+*.eot       binary
+*.otf       binary
+*.zip       binary
+*.gz        binary
+*.tar       binary
+*.7z        binary
+*.mp4       binary
+*.mp3       binary
+*.wav       binary