Colored wireframe

[Kjolnyr]

Objective

Add the ability to draw colored wireframes to ease debugging.

Solution

• Changed wireframe.rs in bevy_pbr to have the ability to change colors.

Migration Guide

• Replace Wireframe with Wireframe::default() in commands when inserting a Wireframe component.

[github-actions]

You added a new example but didn't update the readme. Please run cargo run -p build-templated-pages -- update examples to update it, and commit the file change.

[valaphee]

Don't know if it might be better to use per-vertex color (should be @location(3) color: vec4<f32>)

[mockersf]

also see #5303 and #5314

[JMS55]

Closing as this was resolved in #5303