feat: add notify command and cli args

backend/app/Main.hs

@@ -4,10 +4,24 @@ import ClassyPrelude
 import GHC.IO.Encoding (setLocaleEncoding)
 import GHC.IO.Encoding.UTF8 (utf8)
 import Lib (runBothServers)
+import Options.Applicative
+import Types.Config (ServerOptions, serverOptionsParser)
 
 main :: IO ()
 main = do
   setLocaleEncoding utf8
   hSetBuffering stdout LineBuffering
   hSetBuffering stderr LineBuffering
-  runBothServers
+
+  opts <- execParser serverOptions
+
+  runBothServers opts
+
+serverOptions :: ParserInfo ServerOptions
+serverOptions =
+  info
+    (serverOptionsParser <**> helper)
+    ( fullDesc
+        <> progDesc "Run the server with specified options"
+        <> header "Haskell Server - A configurable server application"
+    )