chore: add .gitattributes to normalize line endings

.gitattributes

@@ -0,0 +1,83 @@
+# Auto detect text files and normalize line endings to LF
+* text=auto eol=lf
+
+# Explicitly set text files to LF
+*.ts text eol=lf
+*.tsx text eol=lf
+*.js text eol=lf
+*.jsx text eol=lf
+*.json text eol=lf
+*.md text eol=lf
+*.txt text eol=lf
+*.yml text eol=lf
+*.yaml text eol=lf
+*.css text eol=lf
+*.html text eol=lf
+*.svg text eol=lf
+*.sql text eol=lf
+*.env text eol=lf
+*.lock text eol=lf
+
+# Config and certificate files
+*.conf text eol=lf
+*.pem text eol=lf
+*.crt text eol=lf
+
+# Keep binary files as-is
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.woff binary
+*.woff2 binary
+*.ttf binary
+*.eot binary
+
+# Archives
+*.zip binary
+*.tar binary
+*.gz binary
+*.rar binary
+
+# Executables and libraries
+*.exe binary
+*.dll binary
+*.so binary
+*.dylib binary
+
+# Documents
+*.pdf binary
+*.docx binary
+*.xlsx binary
+*.pptx binary
+
+# Video
+*.mp4 binary
+*.webm binary
+*.mov binary
+*.avi binary
+*.mkv binary
+
+# Audio
+*.mp3 binary
+*.wav binary
+
+# Java
+*.class binary
+*.jar binary
+*.war binary
+
+# Python compiled
+*.pyc binary
+*.pyo binary
+
+# Databases
+*.db binary
+*.sqlite binary
+
+# Other binary formats
+*.webp binary
+*.avif binary
+*.otf binary
+*.psd binary