Devlog 12: Shop features + 1 new Master's skin

What's new!!!

• Implemented shop features for new skin and background (Some sprites are still placeholder)
• Added 1 new Brario skin with the ability to Bulk up
• Fix background music bug at the start of the game
• Redesign + reanimated the main Fitness Cat skin

What's next???

• Replace placeholder sprites
• Add soundfx for Brario's skill
• Add 1 new choice for background 
• Achievements for Google Play store