Admin UI: Add message queue to admin UI (#6958)

* add a menu item "Message Queue"

* add a menu item "Message Queue"
  * move the "brokers" link under it.
  * add "topics", "subscribers". Add pages for them.

* refactor

* show topic details

* admin display publisher and subscriber info

* remove publisher and subscribers from the topic row pull down

* collecting more stats from publishers and subscribers

* fix layout

* fix publisher name

* add local listeners for mq broker and agent

* render consumer group offsets

* remove subscribers from left menu

* topic with retention

* support editing topic retention

* show retention when listing topics

* create bucket

* Update s3_buckets_templ.go

* embed the static assets into the binary

fix https://github.com/seaweedfs/seaweedfs/issues/6964

weed/admin/static_embed.go

@@ -0,0 +1,14 @@
+package admin
+
+import (
+	"embed"
+	"io/fs"
+)
+
+//go:embed static/*
+var StaticFS embed.FS
+
+// GetStaticFS returns the embedded static filesystem
+func GetStaticFS() (fs.FS, error) {
+	return fs.Sub(StaticFS, "static")
+}