[clang-tools-extra] [clangd] Allow specifying what headers are always included via "" or <> (PR #67749)

[Travis Downs via cfe-commits]

travisdowns wrote:

> I don't have any energy and the massive reachitecting requested would take me tons of time. Please adopt this.

Thanks, I appreciate the update. Unfortunately I cannot adopt this work at this time.

https://github.com/llvm/llvm-project/pull/67749