Add support for the R language server
This commit adds support for R in the LSP plugin, using the "languageserver" R package (https://github.com/REditorSupport/languageserver).
This needs to be installed by the user prior to using it.
This commit adds support for R in the LSP plugin, using the "languageserver" R package (https://github.com/REditorSupport/languageserver).
This needs to be installed by the user prior to using it.