[Unity] Play with sakura v1.1

Change Log :
1. Add new costume : "Battlesuit 4" (This costume does not support bote mode)

Basic game control:
LMB drag : rotate view
MMB Scroll wheel : zoom in / out
Ctrl : skip dialog
ESC : exit game menu
X : x-ray

controller:
LT / RT : zoom in / out
A : enter
B : cancel