Feature/grid

[LatteG]

"Patch notes"

• Adds a visual grid that is spawned under the fog.
  • The grid consists of black orthogonal lines and white squares.
  • The grid is only visible in the uncovered area.
• Adds a snap-to-grid functionality.
  • Figurines placed in a grid square will be moved to its center.
  • Now with 100% reduced risk of launching figurines into the closest mountain when exiting the grid.