Add quad operations

[RayMarch]

Wgsl has quad operations now
https://www.w3.org/TR/WGSL/#quad-builtin-functions
we should add them to the shame api

Steps

• define expr enum QuadOperations containing all the functions as variants
• impl TypeCheck for QuadOperations
• add shame::any::Any associated functions fo revery quad op
• add typed rust frontend for those Any functions.
• add documentation to the public rust frontend functions