Expand otel collector docs

[hughesjj]

I've had this kinda stuff sitting around for a while. It's a big chunk, so even though it's incomplete I figure I should at least start soliciting advice, sharing direction, or factoring out smaller bits to merge upstream.

[svrnm]

I've had this kinda stuff sitting around for a while. It's a big chunk, so even though it's incomplete I figure I should at least start soliciting advice, sharing direction, or factoring out smaller bits to merge upstream.

Thanks for sharing your work @hughesjj. As you said it's a big chunk to review, so I have to postpone the review for after the break

[hughesjj]

Yup, it's also not in a reviewable state yet, I'll reach out when I feel it is. Thanks for letting me know =)

[hughesjj]

closing in favor of plan laid out in discussion