🎯 `Board` Definition

[eoussama]

This issue goes in-depth about defining the Board object.

Boards serve as a host for textdraw elements and render them based on the state of their associated layer. In a way, the board hosts layers which in turn are associated with a textdraw.

• Board info (resolution, mouse pos, img)
• Zoom
• Move
• Snap to grid
• Background (dotten, lines, image, color)