feat(shorten): improve ux by showing users what the shortened url is

Signed-off-by: Amogh Lele <amogh@dyte.io>

lib/ketbin_web/controllers/api/paste_controller.ex

@@ -2,7 +2,6 @@ defmodule KetbinWeb.Api.PasteController do
   use KetbinWeb, :controller
 
   alias Ketbin.Pastes
-  alias Ketbin.Pastes.Paste
   alias Ketbin.Pastes.Utils
 
   def show(conn, %{"id" => id}) do

lib/ketbin_web/controllers/page_controller.ex

@@ -37,7 +37,7 @@ defmodule KetbinWeb.PageController do
     [head | tail] = String.split(id, ".")
     paste = Pastes.get_paste!(head)
 
-    render(conn, "show.html",
+    render(conn, "shorten.html",
       paste: paste,
       show_edit: show_edit,
       extension: if(tail == [], do: "", else: tail)