### What problem does this PR solve?
- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: Jin Hai <haijin.chn@gmail.com>

### 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>

### What problem does this PR solve?

add ollama.md link to OllamaModal

Issue link:#221

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

* feat: add llm type to Added models List

* feat: alter tooltip of base_url

* feat: add background image to login page

* feat: download documents on the document list page

* feat: add tooltip to Form.Item

* feat: set font family to inter

* feat: add loading to ChatContainer