Added two more examples about classes and console stuff and some stub code. (0.37.46)

lib/io/console.fun

@@ -1,3 +1,12 @@
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ */
+
 /*
  * Console utilities: prompt, ask, and yes/no helpers built on input().
  */
@@ -38,3 +47,6 @@ class Console()
       else if (a == "n" || a == "no")
         return 0
       // otherwise loop again
+
+  fun progress(this, length)
+    return length