Update comment on MeshMemoryUsagePlugin.

Change the RenderStage where render memory usage is updated.

Update checklist.

Add support for tracking RenderAsset memory usage.

Boof up the README with checklists and information about feature flags.

Add support for StandardMaterial.

Make estimation faster for types that don't have dynamic heap sizes.

Add support for components in `bevy::transform`.

Fix README example.

Add support for tracking Meshes and Images.

Introduce `DataSizeEstimator` trait in preparation for supporting bevy builtins.

Boof up the README.

Build examples in CI.

That was silly, I should have just done this instead.

Update workflows in attempt to make build succeed on Linux.