### What problem does this PR solve?
feat: fetch flow #918
feat: save graph
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
fix: fixed the problem that the api will be called directly after
selecting the chat assistant picture #1033
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
fix: fixed the issue of error reporting when saving chat configuration
#965
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Vector similarity weight is displayed incorrectly #965
feat: add rerank models to the project #724#162
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
fix: fixed the issue that ModelSetting could not be saved #614
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
* feat: install remark-gfm so that the markdown table can be displayed
* feat: fixed an issue where the default value for temperature was not set when creating a new chat
* feat: Fixed the issue where the greeting would disappear when clicking on a new dialog
* feat: replace favicon with logo.svg
* feat: if the backend returns 401, it will jump to the login page.
* feat: unavailable llm models appear disabled
* feat: display chunk token number when category of knowledge as general
* feat: set initial value for the model field of chat setting
* feat: add category column to chunk table
* feat: fetch knowledge detail on KnowledgeUploadFile mount
* feat: fixed the issue where ChatConfigurationModal displays old data when creating a new dialog
* feat: Add Skeleton to MessageItem before the backend returns a message
