Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/beispiele/shadow/bb.c b/doc/beispiele/shadow/bb.c
new file mode 100644
index 0000000..9c77090
--- /dev/null
+++ b/doc/beispiele/shadow/bb.c
@@ -0,0 +1,13 @@
+     int fun() {
+         printf("%O [b] fun()\n", this_object());
+         find_object("/doc/beispiele/shadow/aa")->fun();
+     }
+
+     void fun2() {
+         printf("%O [b] fun2()\n", this_object());
+         find_object("/doc/beispiele/shadow/aa")->fun3();
+         this_object()->fun3();
+     }
+
+     void do_shadow(object target) { shadow(target, 1); }
+