Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/items/fishing/wurm.c b/items/fishing/wurm.c
new file mode 100644
index 0000000..2b1ef62
--- /dev/null
+++ b/items/fishing/wurm.c
@@ -0,0 +1,6 @@
+#pragma strong_types, save_types, rtt_checks
+#pragma no_inherit, no_shadow
+
+#include <fishing.h>
+
+inherit STD_KOEDER;