Add .gitattributes to enforce LF line endings

.gitattributes

@@ -0,0 +1,99 @@
+# Set default behavior to automatically normalize line endings.
+* text=auto
+
+# Force LF line endings for all text files
+*.py text eol=lf
+*.sh text eol=lf
+*.bash text eol=lf
+*.fish text eol=lf
+*.zsh text eol=lf
+
+# Configuration files
+*.ini text eol=lf
+*.cfg text eol=lf
+*.conf text eol=lf
+*.config text eol=lf
+*.toml text eol=lf
+*.yaml text eol=lf
+*.yml text eol=lf
+*.json text eol=lf
+
+# Documentation
+*.md text eol=lf
+*.rst text eol=lf
+*.txt text eol=lf
+
+# SQL files
+*.sql text eol=lf
+
+# Web files
+*.html text eol=lf
+*.htm text eol=lf
+*.css text eol=lf
+*.scss text eol=lf
+*.js text eol=lf
+*.jsx text eol=lf
+*.ts text eol=lf
+*.tsx text eol=lf
+*.vue text eol=lf
+
+# Template files
+*.j2 text eol=lf
+*.jinja text eol=lf
+*.jinja2 text eol=lf
+
+# Docker files
+Dockerfile* text eol=lf
+*.dockerfile text eol=lf
+docker-compose*.yml text eol=lf
+
+# Makefiles
+Makefile text eol=lf
+makefile text eol=lf
+*.mk text eol=lf
+
+# Git files
+.gitignore text eol=lf
+.gitattributes text eol=lf
+.gitmodules text eol=lf
+
+# CI/CD files
+.gitlab-ci.yml text eol=lf
+.travis.yml text eol=lf
+appveyor.yml text eol=lf
+
+# Other common text files
+*.xml text eol=lf
+*.svg text eol=lf
+*.csv text eol=lf
+*.tsv text eol=lf
+*.properties text eol=lf
+*.env text eol=lf
+*.sample text eol=lf
+LICENSE* text eol=lf
+CONTRIBUTING* text eol=lf
+CHANGELOG* text eol=lf
+README* text eol=lf
+
+# Binary files - ensure they're not modified
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.pdf binary
+*.zip binary
+*.tar binary
+*.gz binary
+*.bz2 binary
+*.7z binary
+*.rar binary
+*.exe binary
+*.dll binary
+*.so binary
+*.dylib binary
+*.pyc binary
+*.pyo binary
+*.pyd binary
+*.whl binary
+*.egg binary