Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/sys/fishing.h b/sys/fishing.h
new file mode 100644
index 0000000..be660eb
--- /dev/null
+++ b/sys/fishing.h
@@ -0,0 +1,6 @@
+// MorgenGrauen MUDlib
+//
+// $Id: fishing.h 8930 2014-09-08 22:00:32Z Arathorn $
+
+#include <items/fishing/fishing.h>
+