[Housekeeping] Upgraded Tailwind to 3.4.3 (#163)

* Upgraded Tailwind

* Enabled asset compression in prod

lib/pinchflat_web/endpoint.ex

@@ -20,7 +20,7 @@ defmodule PinchflatWeb.Endpoint do
   plug Plug.Static,
     at: "/",
     from: :pinchflat,
-    gzip: false,
+    gzip: Mix.env() == :prod,
     only: PinchflatWeb.static_paths()
 
   # Code reloading can be explicitly enabled under the