Option to persist the JFR files when application is shutting down

[silientbug]

flight-recorder-starter/src/main/java/de/mirkosertic/flightrecorderstarter/core/FlightRecorder.java

Line 149 in c47fe6f

tempFile.deleteOnExit();

this line remove the jfr files in the base directory when application got shutdown, is it possible to provide an option to not remove the file if the base location is provided