Contribution. racket-langserver [racket-langserver]

A Language Server Protocol implementation for Racket.

1. implement cross-file jump to definition. #59
2. auto formatting: remove trailing whitespace. #61
3. implement inlay hints. #84
4. add diagnostic and code action for unused variables. #87
5. support notification workspace/didChangeWorkspaceFolders. #140
6. support notification workspace/didRenameFiles. #144
7. support installed Racket languages (e.g. Rhombus). #150
8. support notification workspace/didChangeWatchedFiles. #151
9. support configuration request workspace/configuration. #156