Add library files (.lib) to version control

- Remove *.lib from .gitignore to track library dependencies
- Add DirectX, sound, and utility libraries required for build
- Includes: eax, vorbis, DbgHelp, ijl15, HShield libraries

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

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

.gitignore

@@ -4,7 +4,6 @@
 *.idb
 *.ilk
 *.exp
-*.lib
 *.dll
 *.exe
 *.pch