Idea: Allow to choose weapon with a shortcut like in Quake (1, 2, 3, etc.)

[AntoineJT]

Use the mouse wheel to change weapon makes me lose time, so I play like a noob, it would be cool to be able to select weapon with classic shortcuts like 1, 2, 3, etc.

[SirMishaa]

Duplicated of #24

But this is a nice enhancement.