More Gizmos and Runtime Gizmos

[AnanasikDev]

• Circle and sphere Arcs, angles
• NGons (2d and 3d) with specific functions for triangles, rectangles and hexagons. Can be rendered either by having a center and one of lengths (height, side length, radius) OR by providing the whole list of points.
• Text (see Text to RuntimeGizmos #5)
• Arrows (see 2D Arrows heads are in 3D hence invisible #4)
• Solid 2d and 3d shapes
• Paths (linear, interpolated)