v 0.0.18 ux update + two new spells

• added healing spell
• added meteor spell
• added some beginners hints
• you can now reassign spell to all shortcuts
• improved wild orichalcum visual, should also be easier to tfind in grass
• added 'damage smokes'
• improved wizard look and ui
• improved some hints

The game will begin playtests next week, there is still some work before it became a truly enjoyable self contained demo, but the goal is on sight :)