time: reorganize module

vlib/time/misc/misc.v

@@ -6,7 +6,7 @@ import time
 const (
 	start_time_unix = time.now().unix
 )
-// random will return a random time.Time in *the past*
+// random returns a random time struct in *the past*.
 pub fn random() time.Time {
 	return time.unix(rand.next(start_time_unix))
 }