free_space
* chore(storage-monitor): fix free_space calculation * add `Result` type * add docs * update `polling_period` default value to `6` * Update client/storage-monitor/src/lib.rs Co-authored-by: Michal Kucharczyk <1728078+michalkucharczyk@users.noreply.github.com> * Apply suggestions from code review --------- Co-authored-by: Michal Kucharczyk <1728078+michalkucharczyk@users.noreply.github.com> Co-authored-by: Bastian Köcher <git@kchr.de>