### What problem does this PR solve?
fix: fix uploaded file time error #680
feat: support preview of word and excel #684
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
fix: #209 after saving the knowledge base configuration, jump to the dataset page (#212)
### What problem does this PR solve?
fix: #209 after saving the knowledge base configuration, jump to the
dataset page
feat: translate ConfigurationForm
feat: translate KnowledgeTesting
feat: translate document list page
feat: translate knowledge list page
Issue link: #209
### 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 th… (#174)
* 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: Modify the color of the svg icon in the header according to the selected state and feat: extract routing information from the knowledge base into constants (#51)
* 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: layout the knowledge list page and modify the page switching button in the header (#48)
* feat: remove unnecessary 'loading' fields from other files
* feat: layout the knowledge list page
* feat: modify the page switching button in the header