Struct for geometric triangles. The triangle defined by three 3D points with coordinates of f64 values.

Features: - AABB - Angles - Area - Barycentric to Cartesian transform - Cartesian to Barycentric transform - Centroid - Circumradius - Checks wheter a given point lies inside the triangle - Checks if vertices are collinear - Heights - Inradius - Is it equilateral - Is it golden - Is it isosceles - Is it right-angled - Medians - Perimeter - Semiperimeter - Sides