Added cmake support

[SeleDreams]

This should make it easier to build out of the box on windows and mac I did it in a way where it builds the assembler as a library and the frontend as an executable statically linking the library since I plan to try to refactor picasso in order to make it easily usable as a library for 3ds homebrew (for my godot engine 3ds port) where we could just call an assemble function from the homebrew and give a pointer to the assembler file data and it would return the compiled shader