wrote a simple protobuf sleep_proto.c

begin layout stack
begin install instructions
added info to manpage license readme

inc/sleep.h

@@ -0,0 +1,17 @@
+// TODO implement SLEEP
+#ifndef SLEEP_H
+#define SLEEP_H
+
+#include "key.h"
+
+/*metadata.key
+metadata.signatures
+metadata.bitfield
+metadata.tree
+metadata.data
+content.key
+content.signatures
+content.bitfield
+content.tree*/
+
+#endif /* NURSERY_H */