v0.0.13

What's New:

• Started creating a ruleset for domino placement.
• Final hologram system.
• Domino rotation in any direction.
• Restart the scene with "R".
• Added "return home" button,

Fixed:

• Crash when playing a double.
• Crash when playing a domino on top of a preexisting domino.
• Various bugs in the placement rule set.