fix: Make guessing game example work again (trim input). (carp-lang#1533)

* fix: Make guessing game example work again (trim input).

* fix: Whitespace

---------

Co-authored-by: Erik Svedäng <erik@Behemoth-II.local>

Author: eriksvedang

examples/guessing_game.carp

@@ -42,7 +42,7 @@
       (Random.seed-from (Double.from-int (System.time)))
       (start-new-game!)
       (while guessing
-        (let [user-input (get-line)
+        (let [user-input (String.trim &(get-line))
               guessed-num (from-string &user-input)]
           (if (= &user-input "q\n")
             (exit!)