Add rom profiles

[tomdaley92]

• Added CRC32 hashing for ROM identification (shared/crc32.h, shared/crc32.cc).
• Implemented ROM profile database: INI load/parse, hashmap storage, write-all save (shared/profiles.h, shared/profiles.cc).
• Profiles auto-apply on ROM load with notifications (shared/chip8.cc).
• Added ROM metadata fields (rom_filename, rom_loaded) for GUI/save logic (shared/chip8.h).
• Added “Save ROM Profile” action in GUI (shared/gui.cc, shared/input.cc).
• Added toast notification system + audio/boot notifications (shared/notifications.h/.cc, shared/audio.cc, shared/gui.cc).
• Unified profile path discovery with SDL base path; create profiles.ini if missing (shared/profiles.cc).
• Updated platform makefiles to compile new sources and copy profiles.ini (macos/makefile, linux/makefile, windows/makefile).
• Sample profiles database added in roms/profiles.ini.
• Move opcodes.cc to opcodes.h
• Supply default profiles.INI with quirks for all quirky games
• Full Regression Testing
• Update cli options