for each bundle upload both the chunks and the zipped bundle
were kept (even though they are only needed on-upload, i.e.
after extracting we deal with the extracted files exclusively
This is an important step in 'keeping sourcemaps-related data-usage limited'
i.e. see #129
I did not do any research into actual timings (i.e. whether there really is a
need to pull this out of the request/response loop) but it seems somewhat
prudent. Because Sentry also does this (and does it at this point), the whole
thing of matching Sentry's interface is not being complicated by it (if
anything: the contrary).
Klaas van Schelven