[提案] Future Plan and Thoughts

[Alanxtl]

✨ 提案摘要

main task	sub-task	description	github issue
service discovery	dns service discovery
observability	openapi
management	kubernetes liveness/readiness
	qos
async & event	async messaging
	event streaming
distributed locking and leadership
traffic management	adaptive load balance	- https://cn.dubbo.apache.org/zh-cn/overview/reference/proposals/heuristic-flow-control/
	adaptive rate limit	- https://www.infoq.com/news/2024/02/uber-dynamic-load-shedding/?utm_source=email&utm_medium=editorial&utm_campaign=SpecialNL&utm_content=02292024&forceSponsorshipId=58a6b10a-7b64-4cfd-a08d-c065e2458967 - https://cn.dubbo.apache.org/zh-cn/overview/reference/proposals/heuristic-flow-control/
protocol	rest & http
refactoring	registry & metadata
tools	dubboctl
	console
	others