Oddities with the haskell language server

Last time I had to set up HLS outside of Visual Studio Code, I had to make sure that haskell-language-server-wrapper typecheck was working correctly. In my case, the problem stemmed from HLS not knowing the project root. Since I use cabal, I had to add a file hie.yaml at the root of my project:

> cat hie.yaml
cradle:
  cabal: