initial console - with rudimentary d disasm command
removes the fpt-cli crate (sorry @joajfreitas 😞) - as we've been talking about, the debugger should be integrated in the gameboy/cpu and not in a different crate which controls it. egui is our main gameboy client now. some code will be reused (and already has been, like disasm) but lots won't
code viewer - mnemonics and args of all instructions that were actually ran
tweak core emulator loop to allow breakpoints
fix tetris jumping to bootrom (RST 0x28) - properly unload the bootrom (we forgot)
ddisasm command