Add some basic sorting support for GET /users endpoint (#6801)

store/store.go

@@ -208,7 +208,8 @@ type UserStore interface {
 	AnalyticsActiveCount(time int64) StoreChannel
 	GetUnreadCount(userId string) StoreChannel
 	GetUnreadCountForChannel(userId string, channelId string) StoreChannel
-	GetRecentlyActiveUsersForTeam(teamId string) StoreChannel
+	GetRecentlyActiveUsersForTeam(teamId string, offset, limit int) StoreChannel
+	GetNewUsersForTeam(teamId string, offset, limit int) StoreChannel
 	Search(teamId string, term string, options map[string]bool) StoreChannel
 	SearchNotInTeam(notInTeamId string, term string, options map[string]bool) StoreChannel
 	SearchInChannel(channelId string, term string, options map[string]bool) StoreChannel