Version 1.2.0

Added

• Benchmarking harness for measuring frame latency and memory usage
• .gitkeep files to maintain build and logs directories in version control

Fixed

• Corrected location of cube executable to be in build/ directory

Changed

• Updated .gitignore to exclude build artifacts and benchmark logs
• Enhanced Makefile with benchmark target and modular object compilation
• Refactored clean target in Makefile to ignore the gitkeep
• Added benchmarking section to README with usage instructions