fixed missing blank line between menu header and options

src/Mtlstats/Menu.hs

@@ -37,7 +37,6 @@ module Mtlstats.Menu (
 import Brick.Main (halt)
 import Brick.Types (BrickEvent (VtyEvent), Widget)
 import Brick.Widgets.Center (hCenter)
-import Brick.Widgets.Core (str, vBox)
 import Control.Monad.State.Class (gets, modify)
 import Data.Char (toUpper)
 import qualified Data.Map as M
@@ -87,7 +86,7 @@ menuStateController menuFunc = Controller
 drawMenu :: Menu a -> Widget ()
 drawMenu m = let
   menuLines = lines $ show m
-  in hCenter $ vBox $ map str menuLines
+  in hCenter $ linesToWidget menuLines
 
 -- | The event handler for a 'Menu'
 menuHandler :: Menu a -> Handler a

src/Mtlstats/Util.hs

@@ -19,6 +19,8 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 -}
 
+{-# LANGUAGE LambdaCase #-}
+
 module Mtlstats.Util
   ( nth
   , modifyNth
@@ -123,4 +125,8 @@ capitalizeName ch s = s ++ [ch']
       | otherwise = False
 
 linesToWidget :: [String] -> Widget ()
-linesToWidget = vBox . map str
+linesToWidget = vBox . map
+  ( str . \case
+    "" -> " "
+    s  -> s
+  )