feat(vulkan): Add Vulkan rendering backend implementaion

[magicianA]

Implement a Vulkan rendering backend to complement the existing OpenGL and Metal backends. Most drawing actions are supported, with current execution limited to macOS via MoltenVK.

See internal group chat for details.

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[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}