Timer with specific format

[GoToLoop]

nf() -> Processing.org/reference/nf_.html

• Forum.Processing.org/two/discussion/16001/add-0-s-to-date-time-in-the-filename-with-saveframe#Item_3

SimpleDateFormat -> Docs.Oracle.com/en/java/javase/11/docs/api/java.base/java/text/SimpleDateFormat.html

• Forum.Processing.org/two/discussion/10067/how-to-prevent-file-overwriting#Item_3