Update DXC's CONTRIBUTING file

[llvm-beanz]

This change seeks to address some recent questions about how the LLLVM Coding Standards are applied in DXC.

[damyanp]

Should we have a link to the LLVM coding standards from here as well?

[llvm-beanz]

Should we have a link to the LLVM coding standards from here as well?

There was a broken link in the docs a few lines above (DXC has always referred to the LLVM Coding Standards in its CONTRIBUTING file). I fixed that link. Do you think it warrants a second link, or is the one in the first sentence of the containing section sufficient?

[damyanp]

There was a broken link in the docs a few lines above (DXC has always referred to the LLVM Coding Standards in its CONTRIBUTING file). I fixed that link. Do you think it warrants a second link, or is the one in the first sentence of the containing section sufficient?

Oh, I missed that - I was looking for a link to https://llvm.org/... so didn't spot the link to a local file. If the contents of the linked file is correct then I don't think we need another one.

[llvm-beanz]

If the contents of the linked file is correct then I don't think we need another one.

I think they're correct enough. While the LLVM coding standards have evolved over the ~10 years since DXC forked, the core of the standards have remained largely the same. If we encounter issues where the DXC document is inappropriately stale I'd suggest we update it.