Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/beispiele/shadow/aa.c b/doc/beispiele/shadow/aa.c
new file mode 100644
index 0000000..179d7e3
--- /dev/null
+++ b/doc/beispiele/shadow/aa.c
@@ -0,0 +1,8 @@
+     void fun() {
+         printf("%O [a] fun()\n", this_object());
+     }
+
+     void fun3() {
+         printf("%O [a] fun3()\n", this_object());
+     }
+