Add daemon command

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Add Daemon Shell Context Menu

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Implement a rough implementation of daemon command

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Document daemon command

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>