* feat: create chunk and edit chunk

* feat: delete chunk

* feat: search chunks

* feat: delete chunks in batches

* feat: set whether chunks are available in batches

* feat: set chunk to available state

* feat: select all chunk

* feat: confirm before deleting knowledge base

* feat: add ChunkToolBar

* feat: modify routing to nested mode

* feat: rename document

* feat: use DvaModel instead of redundant types such as kAModelType

* feat: set the type for registerServer

* feat: remove loading from model

* set port

* add knowledge-search

* update text

* update typescript

* add chunk api

* remove useless code