K8SPXC-625: improve logs for PITR (#1129)

https://jira.percona.com/browse/K8SPXC-625

Add count of all and remaining binlogs to restore logs

Co-authored-by: Viacheslav Sarzhan <[email protected]>

Author: pooknull

cmd/pitr/recoverer/recoverer.go

@@ -258,8 +258,9 @@ func (r *Recoverer) recover() (err error) {
 	if err != nil {
 		return errors.Wrap(err, "drop collector funcs")
 	}
-	for _, binlog := range r.binlogs {
-		log.Println("working with", binlog)
+	for i, binlog := range r.binlogs {
+		remaining := len(r.binlogs) - i
+		log.Printf("working with %s, %d out of %d remaining\n", binlog, remaining, len(r.binlogs))
 		if r.recoverType == Date {
 			binlogArr := strings.Split(binlog, "_")
 			if len(binlogArr) < 2 {