added brick framework

app/Main.hs

@@ -21,7 +21,13 @@ License along with this program.  If not, see
 
 module Main (main) where
 
+import Brick (defaultMain)
+import Control.Monad (void)
+
+import Abacus.App
+import Abacus.App.Types
+
 main :: IO ()
-main = return ()
+main = void $ defaultMain mainApp initialState
 
 --jl