Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/sys/attributes.h b/sys/attributes.h
new file mode 100644
index 0000000..c00b3dc
--- /dev/null
+++ b/sys/attributes.h
@@ -0,0 +1,12 @@
+// MorgenGrauen MUDlib
+//
+// attributes.h -- living attributes
+//
+// $Id: attributes.h,v 3.1 1997/02/12 13:04:59 Wargon Exp $
+
+#ifndef __ATTRIBUTES_H__
+#define __ATTRIBUTES_H__
+
+#include "/sys/living/attributes.h"
+
+#endif