a0.6_0 Added 'wall' tool; renamed run.sh to build.sh which can be ran with  to run the subsequent binary file; organised mouse & keyboard inputs and UI rendering into their own functions

a0.5_2 Updated README; downgraded CMake to latest stable version; changed  to create  if it does not exist; cleaned game.cpp code; updated drawing behaviour to work better

Basic shader setup - added 'res' folder w/ frag shader & run.sh for convenience among other small changes