Add handling LRT ETA API status

[desmondlsl]

LRT ETA API has a field status. This field is currently unused on our end. This PR adds handling the isdelay field and aligns with our handling of status in MTR ETA API.

https://opendata.mtr.com.hk/doc/LR_Next_Train_DataDictionary_v1.0.pdf
status
Number
system status code
value:
"1" = normal
“0” = error or alert

Our existing handling of status in MTR ETA API:

hk-bus-eta/src/mtr.ts

Lines 24 to 26 in e2b2020

	.then(({ data, status }) =>
	status === 0
	? []