Add Shield Barrier Spell
Barrier has the following properties
1. It reflects all magic projectiles
2. It destroys all non magic projectiles
3. Entities can walk through it
4. It doesnt block melee attacks
5. Each projectile hit reduces the maximum lifetime but also has a healthbar
6. Current shield health/ lifetime is shown with transparency effect
- Its either a complete bubble with the radius of 3-6 meters
- or a horizontal wall which has the height of 1,5x times the players size, width of 3-5 meters