Update Alpha 0.5 Test 1

[New]:
- Added the first boss zone. You can access it by paying 5 gold to the NPC sitting next to the portal near the spawn.

- Added 9 new enemies, be prepared to challenge these foes through the map:
+ Zerpents, basic serpentine creatures, but still challenging
+ Zerpanzents, faster and more powerful than the zerpents, but with a much lower resistance, they will slow you down to tear you apart.
+ Zerpentaxen, the strongest of zerpents, they are the most resistant to attacks, with a thicker skin and a higher speed, they are hard to bite enemies.
+ Lunarias, small jumping balls of joy, but don't be fooled, they are still very dangerous.
+ Gregorios, like their close cousins, they love jumping, but can reach much higher heights and are more tanky.
+ Voloctus, creatures from the void between space and reality, they have evolved to be a predator from the skies, sliding across air and terrain to catch preys.
+ Coloctus, leaders of Voloctus packs, they are much deadlier and beefy, however their increased resistance has led to a much more limited mobility, needing healthy members of the pack to guard them as they aproach potential preys.
+ Gigantex, ???

- Added 2 new quests: Retvrn to space, Defense of kitten
- You can now replay the football match minigame as many times as you want.
- Remade the game logos and icons.
- Added more props to the adobe house.
- Added sounds for picking up gold and health items.
- Added more damage areas.

[Changes]:
- Damage areas now hurt you overtime after the initial hit.
- Reworked UI and removed unnecesary elements.
- Reworked guides menu tab.
- Removed gun wobble when moving to the left.
- Removed footsteps sound.
- Fixed collision issues with some boxes near the cat hut area (and disabled one of them).
- Removed source code link in the menu.
- Reduced shooting sound volume.

[Bug Fixes]:
- Fixed invisible walls collision issues when running against them at certain angles.
- Fixed collision issues with some boxes near the cat hut area (and disabled one of them).
- Fixed various minor collision issues.
- Fixed many issues related to audio and music implementation.
- Fixed bugs related to the paint and football match quests.