Support rust_hdl

[mshr-h]

VHDL-LS/rust_hdl

[zoomer-k]

@mshr-h
try it

https://github.com/zoomer-k/vscode-verilog-hdl-support/tree/add_rust_HDL

can check syntax　

[mshr-h]

@zoomer-k
Thanks! Seems good to me. Can you make a PR if possible?

[zoomer-k]

@mshr-h
should I change readme.md?

{
    "[typescript]": {
        "editor.defaultFormatter": "esbenp.prettier-vscode"
    },
    "editor.formatOnSave": true,
    "editor.codeActionsOnSave": {
        "source.fixAll.eslint": true
    }
}

when save markdwonfile, prettier auto format it.

[mshr-h]

@zoomer-k
Yeah.