Add cabal and requests.

Request.hs

+{-# LANGUAGE OverloadedStrings #-}
+
+module Request where
+
+import Network.HTTP.Req
+import Data.ByteString (ByteString)
+import qualified Data.ByteString.Char8 as BS
+import Control.Monad.IO.Class
+
+postRequest :: IO ()
+postRequest = runReq defaultHttpConfig $ do
+        let url = https "boundvariable.space" /: "communicate"
+        let body :: ByteString
+            body = BS.pack "S'%4}).$%8"
+
+        let headers = header "Authorization" "Bearer 8cd1314b-f873-4ab7-891f-781d814ed60e" <>
+                      header "User-Agent" "Närke Nation"
+
+        response <- req
+            POST
+            url
+            (ReqBodyBs body)
+            bsResponse
+            headers
+
+        liftIO $ BS.putStrLn $ responseBody response

icfpc.cabal

+cabal-version: >= 1.10
+name: icfpc2024
+version: 0.1
+license: AGPL
+author: Hugo Hörnquist, Nathaniel Mattsson
+maintainer: hugo@lysator.liu.se
+homepage: https://git.lysator.liu.se/boomknife/icfp-contest-2024
+category: Network
+build-type: Simple
+
+executable Main
+  main-is: main.hs
+  ghc-options:  -threaded -Wall -W
+    -Wno-missing-signatures
+  other-modules:
+    Eval,
+    Expression,
+    Parse,
+    Request,
+    Serialize
+  build-depends:
+    base >=4.9,
+    bytestring,
+    containers,
+    mtl,
+    req,
+    parsec
+  default-language: Haskell2010