v1.19 for windows client and server

Attention：Windows用户如果发现客户端不能正确运行，可能是由于OpenGL版本过低导致，可以通过去官网下载最新的显卡驱动并更新解决。
fix bugs on server that didn't correctly calculate whether the bullet hits the wall.

game instructions

rename instructions

chick2d client and server for windows and Mac

v1.18

Version 1.18 windows release

v1.17

Chick2d for MacOS