Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/items/fishing/aquarium/piranha.c b/items/fishing/aquarium/piranha.c
new file mode 100644
index 0000000..5ad1ea2
--- /dev/null
+++ b/items/fishing/aquarium/piranha.c
@@ -0,0 +1,18 @@
+#include <language.h>
+#include <properties.h>
+#include <fishing.h>
+
+inherit STD_FISCH;
+
+protected void create() {
+   if (!clonep(this_object())) return;
+  ::create();
+  AddId(({"piranha"}));
+  SetProp(P_NAME,"Piranha" );
+  SetProp(P_GENDER,MALE);
+  SetProp(P_SHORT,"Ein Piranha" );
+  SetProp(P_LONG,"Ein boesartiger kleiner Piranha mit sehr scharfen "
+    "Zaehnen.\n");
+  SetProp(P_VALUE,40);
+  SetProp(P_WEIGHT, 100);
+}