starts a new activity for the given project ands adds a list of optional tags
tom start <project> [time shift into past] [+tag1 +tag2] [flags]
start acme 15m +onsite
--create-missing
-h, --help help for start
--notes string Optional notes for the new time frame
--stop-on-start
--backup-dir string backup directory (default is $HOME/.tom/backup)
-c, --config string config file (default is $HOME/.tom/tom.yaml)
--data-dir string data directory (default is $HOME/.tom)
--iso-dates use ISO date format instead of a locale-specific format (default is false)
- tom - tom is a command line application to track time.