fix: enforce LF line endings to prevent cross-platform issues

- Configure .gitattributes to force LF for text files
- Keep CRLF for Windows scripts (.bat, .ps1)
- Prevents line ending conflicts between Windows and Linux

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: SpaceFoon

.gitattributes

@@ -1,2 +1,9 @@
-# Auto detect text files and perform LF normalization
-* text=auto
+# Force LF line endings for all text files
+* text=auto eol=lf
+
+# Ensure shell scripts always use LF
+*.sh text eol=lf
+
+# Windows scripts can keep CRLF
+*.bat text eol=crlf
+*.ps1 text eol=crlf