Add Maybe to [CodeActionKind]

Co-Authored-By: Luke Lau <[email protected]>

Author: thomasjm

haskell-lsp-types/src/Language/Haskell/LSP/Types/DataTypesJSON.hs

@@ -279,7 +279,7 @@ export interface CodeActionOptions {
 data CodeActionOptions =
   CodeActionOptionsStatic Bool
   | CodeActionOptions
-    { _codeActionKinds :: [CodeActionKind]
+    { _codeActionKinds :: Maybe [CodeActionKind]
     } deriving (Read,Show,Eq)
 
 deriveJSON (lspOptions { sumEncoding = A.UntaggedValue }) ''CodeActionOptions