feat: let the messages I send appear immediately in the chat window and remove rewrite configuration from nginx proxy (#86)

* feat: remove rewrite configuration from nginx proxy

* feat: let the messages I send appear immediately in the chat window

feat: rename conversation and delete conversation and preview reference image and fetch file thumbnails (#79)

* feat: fetch file thumbnails

* feat: preview reference image

* feat: delete conversation

* feat: rename conversation

* feat: add message popover content

* feat: add file icon

* feat: add temporary conversation

* feat: add avatar to MessageItem

* feat: render message reference

* feat: set chat configuration to backend

* feat: exclude unEnabled variables

* feat: delete chat dialog

* feat: fetch conversation

* feat: extract SimilaritySlider

* feat: create a chat assistant