City map for GTA 3

Adds in GTA III map!
If you think that GTA 3 no output textures on the screen, you are wrong!
Although you can display only one texture as a background, but it is enough to create the map. The map also shows your location now!
TAB-display a map on the screen.
ESC-remove the map from the screen.
Glitch: If arrested or killed map becomes white.