### What problem does this PR solve?
Related source file is in Windows/DOS format, they are format to Unix
format.
### Type of change
- [x] Refactoring
Signed-off-by: Jin Hai <haijin.chn@gmail.com>
* feat: remove unnecessary 'loading' fields from other files
* feat: layout the knowledge list page
* feat: modify the page switching button in the header
* feat: add react-dev-inspector to locate code in the IDE faster
* feat: install prettier to format code
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Co-authored-by: yangqianjuan <1072483500@qq.com>