[Feature Request] Add lexing support for WebGPU Shading Language

[dneto0]

Context

• This issue is not a bug report. (please use a different template for reporting a bug)
• This issue is not a duplicate of an existing issue. (please use the search to find existing issues)

Description

Summary:

Please add support for WGSL syntax highlighting in VS Code.
WGSL specification: https://www.w3.org/TR/WGSL/

Details

WebGPU Shading Language (WGSL) is a new shading language, for the web.
It is being designed by major browser vendors, and with extensive community participation.

W3C Working Group: https://www.w3.org/2020/gpu/
Community Group: https://www.w3.org/community/gpu/
In-flight working materials: https://github.com/gpuweb/gpuweb/wiki

Implementation status: https://github.com/gpuweb/gpuweb/wiki/Implementation-Status
For example, Chrome has had WebGPU support in Origin Trial since 2021, and plans to release it to general audiences on Windows and Mac in milestone 113 (May 2023).

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