xamenyap

I think we can achieve this by adding `ctx` as the first parameter for method `Run()` of `Processor`. Something like this ```go type Processor interface { Run(ctx context.Context, j *Job)...

> I thought maybe we could find a way to make ctx optional/ implicit, similarly to how its done in the http std library https://golang.org/pkg/net/http/#Request.Context ? then make ctx a...