Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/beispiele/ssp/obj/steinring.c b/doc/beispiele/ssp/obj/steinring.c
new file mode 100644
index 0000000..5da09a7
--- /dev/null
+++ b/doc/beispiele/ssp/obj/steinring.c
@@ -0,0 +1,19 @@
+#include <properties.h>
+#include <combat.h>
+inherit "std/armour";
+ 
+create()
+{
+  if (!clonep(this_object())) return;
+  ::create();
+  SetProp(P_SHORT, "Ein Steinring");
+  SetProp(P_LONG, "Ein kleiner Ring, voellig aus einem grauen Stein.\n");
+  SetProp(P_NAME, "Steinring");
+  SetProp(P_GENDER, 1);
+  SetProp(P_ARMOUR_TYPE, AT_RING);
+  SetProp(P_AC, 2);
+  SetProp(P_WEIGHT, 270);
+  SetProp(P_VALUE, 300 +random(150));
+  SetProp(P_MATERIAL, MAT_MISC_STONE);
+  AddId(({"ring", "steinring"}));
+}