Changed various things

• Added some controller support
• Fixed an audio issue with music on a new game after game over
• Fixed coins carrying being greater than the total coin capacity
• Increased the total carrying capacity on upgrade
  • Being able to carry more will encourage players to travel to more populated coin areas
• Increased the cost to upgrade "coin value"
  • Coin value was the strongest upgrade and late game made players not need to travel to populated coin areas
• Added a new  upgrade: coin pickup radius
• Placed more mimics around when they can spawn
• Changed upgrade menu ui