Extract network utilities into a new library

changed milestone to %Tor: 0.3.5.x-final

added component::core tor/tor milestone::Tor: 0.3.5.x-final owner::nickm parent::26481 priority::medium refactoring resolution::implemented reviewer::dgoulet severity::normal sponsor::3-can status::closed type::defect labels

https://github.com/torproject/tor/pull/186 is a PR for my net_refactor branch. I'll wait to see what CI thinks before I needs_review.

Trac:
Sponsor: N/A to Sponsor3-can

I opened #26525 (moved) and #26526 (moved) for the issues I brought up in XXXX comments in this branch.

Trac:
Status: assigned to needs_review

Left a review. Might be good to merge depending on the decision on the comments.

Trac:
Status: needs_review to needs_revision
Cc: dgoulet to N/A
Reviewer: N/A to dgoulet
Keywords: N/A deleted, refactoring added

Answered review comments; opened #26532 (moved); merging!

Trac:
Resolution: N/A to implemented
Status: needs_revision to closed

closed

mentioned in issue #26525 (moved)

moved to tpo/core/tor#26524 (closed)

mentioned in issue tpo/core/tor#26525 (closed)