airflow triggerer

Start a triggerer instance

Options

Name	Description
`-h, --help`	Show this help message and exit
`--capacity <capacity>`	The maximum number of triggers that a Triggerer will run at one time
`-D, --daemon`	Daemonize instead of running in the foreground
`-l, --log-file <log_file>`	Location of the log file
`--pid [pid]`	PID file location
`--stderr <stderr>`	Redirect stderr to this file
`--stdout <stdout>`	Redirect stdout to this file