added description of how to import structures from SHP
added description of how to import structures from SHP

markraz/vtp,nakijun/vtp,seanisom/vtp,nakijun/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,markraz/vtp,nakijun/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp,markraz/vtp