Marble topology / UVs

[Zemanzo]

Description We should have a marble of an adequate poly count that should support textures without stretching them.

Minimum Acceptance Criteria

• [x] Carefully considered polycount vs sphericalness
• [x] A defined marble topology (Icosphere?)
• [x] Support for textures on marbles, wrapping nicely and seamless.
• [x] A default texture that will be applied to marbles.