* Add `TcpUpstreamConnectionHandler` which can be used as standalone or as mixin
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* `TcpUpstreamConnectionHandler` is now an abstract class
* Fix mypy
* `nitpick_ignore` the `proxy.core.base.tcp_upstream.TcpUpstreamConnectionHandler` class
* Add mypy exception for now
* Fix flake
* Fix docstring
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* Remove abstractmethod for proxy plugin base class, remove unused methods from bundled plugins
* Move httpStatusCodes, httpMethods and Url within top-level proxy.http package
Abhinav Singh