Remove this template boilerplate

src/Lib.hs

-{-# LANGUAGE DataKinds       #-}
-{-# LANGUAGE TemplateHaskell #-}
-{-# LANGUAGE TypeOperators   #-}
-module Lib
-    ( startApp
-    , app
-    ) where
-
-import Data.Aeson
-import Data.Aeson.TH
-import Network.Wai
-import Network.Wai.Handler.Warp
-import Servant
-
-type API =
-  "webhook" :> Post '[JSON] ()
-
-startApp :: IO ()
-startApp = run 8080 app
-
-app :: Application
-app = serve api server
-
-api :: Proxy API
-api = Proxy
-
-server :: Server API
-server = return ()