add file logging capabilities

[giovannialberto]

Write Pulsar logs to file. This should be added in the logging module (there's a todo placeholder in the code already).

[hnidoaht-101]

hi, I have its implementation on my local already. If anyone are looking at it, please ignore. I'd like to push it for review soon.

[hanshal101]

Hey @giovannialberto is this issue still relevant? if yes I'd like to pickup!