refactor: add some highlight options

lua/plugins/ui.lua

@@ -59,6 +59,12 @@ return {
             indent = {
                 char = "┊",
             },
+            whitespace = {
+                highlight = {
+                    "CursorColumn",
+                    "Whitespace",
+                },
+            },
             exclude = {
                 filetypes = {
                     "help",