### What problem does this PR solve?
#345
feat: translate FileManager
feat: batch delete files from the file table in the knowledge base
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
fix: cannot save the system model setting #468
feat: rename file in FileManager
feat: add FileManager
feat: override useSelector type
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fixed an issue where refreshing the login page caused the language
settings to become invalid.
Issue link: #249
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
* feat: jumping from the chunk list page to the file list page keeps the original page number.
* feat: jump to the file upload page and reset the file list page number to 1
* 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
* feat: Modify the color of the svg icon in the header according to the selected state
* feat: add translation icon to header
* feat: shorten the route length of the knowledge base
* feat: extract routing information from the knowledge base into constants
* feat: remove unnecessary 'loading' fields from other files
* feat: layout the knowledge list page
* feat: modify the page switching button in the header