Emulate `ResourceDescriptorHeap` for Bindless Resources

[thepaladon]

Read Darius' 3 blog posts on it:

• https://blog.traverseresearch.nl/bindless-rendering-setup-afeb678d77fc

Some more resources:

• Vulkanized 2023 Prez - https://vulkan.org/user/pages/09.events/vulkanised-2023/vulkanised_2023_setting_up_a_bindless_rendering_pipeline.pdf