feat: specify task in toggl start

[williambdean]

This add task flag to toggl start

# Project without Task (Previous behavior)
toggl start --project "My Project"

# Matches task only
toggl start --task "Develoment"

# Project and Task
toggl start --project "My Project" --task "Development"

CC: @shantanuraj

[williambdean]

I need to check that this pulls from the configuration file

[williambdean]

Friendly ping @shantanuraj

[shantanuraj]

Hey Will, sorry I have been a bit more occupied at work lately.

Hope to get back to this asap.

[williambdean]

Thanks for the update!