Dev a few more operations

* Archive
* Config
* Pull out filter generation (from list) for reuse

cli/cli.go

@@ -163,3 +163,11 @@ func (p *Program) GetMostRecentTimer() (*timertxt.Timer, error) {
 	}
 	return work, nil
 }
+
+func (p *Program) GetTimerString(timer *timertxt.Timer) string {
+	return fmt.Sprintf("%d. %s", timer.Id, strings.TrimPrefix(timer.String(), "x "))
+}
+
+func (p *Program) GetDoneTimerString(timer *timertxt.Timer) string {
+	return fmt.Sprintf("--. %s", timer.String())
+}