Stellar Smash Playtest

Update ship speed

Based on playtest, ship movement was sluggish. I updated ship speed as follows: - default: 25 - engine 0: 35 - engine 1: 50 - engine 2: 65 - engine 3: 65 permanent Speed 25 already feels better but might be a bit sluggish too. If you think so, please give me feedback in community