### What problem does this PR solve?
feat: change all file names to lowercase #1574
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### 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?
feat: delete the added model #503
feat: display an error message when the requested file fails to parse
#684
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
fix: #567 use modal to upload files in the knowledge base
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
add support for ollama
Issue link:#221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
* feat: add loading to all pages
* fix: disable sending messages if both application and conversation are empty
* feat: add chatSpin class to Spin of chat
* feat: generate select options for SystemModelSettingModal grouped by type
* feat: add llm icon
* feat: add upgrade button to UserSettingTeam
* feat: replace the icon in the sidebar of the user settings page
* 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
