try to copy whole design from python gameshell launcher

sysgo/UI/main_screen.go

@@ -0,0 +1,20 @@
+package UI
+
+import (
+
+)
+
+type MainScreen struct {
+	Pages []interface{}
+	PageMax int
+	PageIndex int
+	PosX  int
+	PosY  int
+	
+}
+
+
+func NewMainScreen() *MainScreen {
+	m := &MainScreen{}
+	
+}