message: Add workspace type
  Summary: This should be explicitly set to work properly with remote workspaces.
diff: {
  "name": "starlark",
  "description": "A Starlark language server",
  + "extensionKind": [
  + "workspace"
  + ],
  "author": "Facebook",
  "license": "Apache2",
  "version": "1.0.0",
  