[Task] Discovery affect into `divide` and `websocket`

[ywj1352]

Description

Discovery mode affect into divide and websocket. make divde and websocket can't use Discovery-Mode to sync upstream list

Task List

1. Discovery impl in Other registry-server @eurecalulu a. Discovery impl nacos b. Discovery impl etcd c. Discovery impl eureka
2. Discovery affect into divide @xcsnx
3. Discovery affect into websocket @ywj1352
4. Discovery Front-end @eurecalulu

pr list https://github.com/apache/shenyu/pull/5153 shenyu-client sync discovery-config merged https://github.com/apache/shenyu/pull/5170. Register instance into discovery https://github.com/apache/shenyu/pull/5174. admin use discovery config init discovery-service https://github.com/apache/shenyu/pull/5176 admin adapter discovery local mode https://github.com/apache/shenyu/pull/5193. add nacos, etcd, eureka discovery service https://github.com/apache/shenyu/pull/5261. admin binding selector(divide Or ws Or Gprc 's selector) and discovery

[eurecalulu]

Nice! Please assign task1 and 4 to me~ thx

[xcsnx]

Please assign the divide plugin to me