Merge pull request 'update tech menu' (#27) from tech_menu_config into master

Reviewed-on: #27

src/packet/ship.rs

@@ -397,6 +397,11 @@ pub struct RoomNameResponse {
     pub name: String,
 }
 
+#[pso_packet(0x6ED)]
+pub struct UpdateTechMenu {
+    pub config: [u8; 0x28],
+}
+
 #[pso_packet(0x7ED)]
 pub struct UpdateConfig{
     pub config: [u8; 0xE8],