Add alert for scouting

Alert scouters when someone else is scouting the same team.

Signed-off-by: Emily Markova <emily.markova@gmail.com>
Change-Id: Id62ad1a96ff90ef4cba1797c21bc4063ccbdeae5
diff --git a/scouting/webserver/main.go b/scouting/webserver/main.go
index d655708..6eca5a9 100644
--- a/scouting/webserver/main.go
+++ b/scouting/webserver/main.go
@@ -133,8 +133,9 @@
 	defer database.Delete()
 
 	scoutingServer := server.NewScoutingServer()
+	var realClock requests.RealClock
 	static.ServePages(scoutingServer, *dirPtr, database)
-	requests.HandleRequests(database, scoutingServer)
+	requests.HandleRequests(database, scoutingServer, realClock)
 	scoutingServer.Start(*portPtr)
 	fmt.Println("Serving", *dirPtr, "on port", *portPtr)