Fix: parse Service options from 'npv.service.options'

[william-p]

Hi,
with this proto:

service Echo {
    option (meta).description = "Echo webservice";
    option (meta).basePath = "/echo";

    rpc ....
}

Service options was not parsed correctly because options are stored in npv.service.options. (i don't know why)

This PR parse npv.service.options if defined.

Thanks

[bojand]

Hello,

Thanks for the PR. Can you add a test please. Either add a couple of options to the existing proto and modify the expected one; or add a simple sample proto file with option and add a test for it similar to the existing ones.

Thanks.

[william-p]

Sorry for missing tests, should be ok :)

Documentation for Custom Options.