bevy_mod_picking_f64 0.20.2

Fork of the modular picking plugin for Bevy. Patched for f64 support (please do not bug the original author with issues from this fork).

bevy_mod_picking_f64-0.20.2 has been yanked.

Picking and Pointer Events for Bevy

(Gbin: This is a fork just to support avian f64 for robotic simulations. As Bevy is getting first class support for picking, this should be a very temporary crate.)