Add a selection of plugins to the core repo

[bketelsen]

add some plugins back to the repo

[Copilot]

Pull Request Overview

This pull request introduces new registry options for etcd and updates various components of the Consul and NATS brokers, cache, and encoding utilities while bumping dependency versions. Key changes include:

• Adding Auth and LogConfig options to the etcd registry.
• Enhancing the Consul registry watcher logic and tests.
• Updating broker implementations (NATS and HTTP) and adjusting the default broker configuration.

Reviewed Changes

Copilot reviewed 39 out of 39 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
registry/etcd/options.go	Adds Auth and LogConfig functions for setting etcd registry options.
registry/consul/watcher_test.go	Adds tests for healthy and unhealthy service handling in the Consul watcher.
registry/consul/watcher.go	Updates service handling logic in the Consul watcher; includes colorful comments.
registry/consul/registry_test.go	Adds tests for Consul service retrieval with varying health statuses.
registry/consul/options.go	Adds functions for Consul-specific registry options.
registry/consul/encoding(.go & _test.go)	Provides new encoding/decoding functions for endpoints, metadata, and versioning.
go.mod	Updates dependency versions and adds new modules.
cmd/cmd.go	Modifies default broker and registry mappings to incorporate new options.
cache/rediscache/*	Includes new Redis cache implementation and related tests/options.
broker/nats/*	Introduces NATS broker options, tests, and updates NATS broker implementation.
broker/http/*	Updates HTTP broker implementation and tests to use revised broker interfaces.
broker/broker.go	Changes DefaultBroker assignment to the memory broker.

[bketelsen]

@asim this is ready to merge, more coming later