Lot of example directory structure refactoring. (0.39.9).

examples/basics/boolean_decl.fun

@@ -0,0 +1,22 @@
+#!/usr/bin/env fun
+
+/*
+ * 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
+ *
+ * Added: 2025-10-04
+ */
+
+boolean b = false
+print("b => " + to_string(b))
+/* Try typeof via built-in function if available */
+print("typeof(b) => " + typeof(b))
+
+/* Expected output:
+b => false
+typeof(b) => Boolean
+*/