Multiple hits for mining ores

• By opening this merge request, you agree to release your code and all other changes under the GPL 3 license and to abide by the terms set by this license.
• Migrations have been added if applicable
• Significant changes of this merge request have been added to the changelog.

Ore models by: @Peachems
New Pickaxe sfx by: @flo666
Gem models by: Supa

TODO:

• Ore models
• Gem models
  • Emerald
  • Amethyst
  • Sapphire
  • Topaz
  • Diamond
  • Ruby
  • Velorite
• Use new sprite attribute filter system !4359 (merged)
• Balance sprite ore yield