* 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
