[Package request] clang-tools-extra

[kb-1000]

Package description clang-tools-extra contains extra clang tools, such as clangd, which is useful to get C++ completion in Neovim.

Link to home page and sources

1. Home page:
2. Source code: /~https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.0/clang-tools-extra-10.0.0.src.tar.xz

Additional information
Have you compiled or tried to compile the package on device?

• If it didn't work then please provide the error you ran into.
• If it did work then please share any patches that you had to apply.

I didn't try it, however I don't see a reason why it wouldn't run, so I hope it does run. Please note that it requires to be compiled as part of Clang, so just add it as a libllvm subpackage.

[finagolfin]

Added in #5495, upgrade to clang 10 and confirm.

[ghost]

Included in clang package.

[kb-1000]

It's working. Thanks!