Relics: Arcane Abilities 0.2.0

New skill menu.
Experience bar for skill display.
New relic: Weightless Boot.
Rebalancing of experience and skill point acquisition.
- Simplification of skill point acquisition.
- Upon gaining experience from relics, you additionally gain skill experience.
Remake of some relics:
- Flight Sphere -> Star Amulet.
- Ice Crystal -> Ice Ring.
- Balanced flight time for the Star Amulet relic.
The MazeManicore dungeon no longer appears in winter biomes.
Fixed a bug with semi-infinite flight time using the Star Amulet.
Fixed a bug with the dropping of the Skills Grimoire after its breakage.
Fixed the skill "Directional Glow".
Bug fixes.