[Events] before/after/error payload:decode

[rolljee]

Description

Add event before/after/error at Payload level

Trigger when a payload is received (equal to device-manager/payload:before*)

• device-manager:payload:decode:before => { payload, decoder }

Trigger after a payload has been received

• device-manager:payload:decode:after => { payload, device, decoder }

Trigger when a payload could not have been decoded

• device-manager:payload:decode:error => { payload, error }