Add [HCD] to all lines that were produced by hawkcd in job loggs

[SlaviDimitrov]

[monitobeko]

@SlaviDimitrov Wouldn't it be better to color the lines produced by Hawk CD instead, like in the screenshot? I think it would look cleaner that way.

[rminchev1]

I would vote to be [HAWK] instead [HDC], not sure if coloring the output in some way would speak to the user, maybe combining both make sense?