v0.9.0

## What's Changed

A major release with following changes / new features:

#### Add quick URL indexing by pasting the link on Chat UI directly
User can paste the URLs on the quick upload box to start the conversation immediately.

![image](https://github.com/user-attachments/assets/cf8d111d-035f-4fb6-ad9b-326327033f8e)
![file-url-upload](https://github.com/user-attachments/assets/03160264-8472-47bc-b40f-ced527e7a026)

#### Add mindmap export button & make the font consistent with the rest of the UI
A new mindmap export button which exports the mindmap as SVG on a new browser window / tab.

![mindmap_export](https://github.com/user-attachments/assets/48bf47be-91b4-4d67-b2ab-fd0c14ae01c8)

#### Add immersive dark mode: inverted page thumbnail & dark theme for mindmap
Dark mode now will also invert the page thumbnails and create dark background for mindmap to make viewing experience more pleasant.

![immersive_dark_mode](https://github.com/user-attachments/assets/533bcfe5-aea7-47c5-a951-17f452a4f9b5)

#### Convenient quick settings for: mindmap, language & citation options
Most common user settings are displayed directly on Chat UI for quick customization based on each user question.

![image](https://github.com/user-attachments/assets/848c5654-47c8-4db5-9ad9-c5b24faa4634)

#### Add inline citations
A new inline citation styled is added. Each generated statements from LLM will have follow-up citation which scroll to the corresponding paragraph on Information panel.

![inline_citation](https://github.com/user-attachments/assets/c03a715c-5f5b-4d05-86b1-9815d566cec0)

#### Animate chat box and column resizing with subtle animations
Some new animations are added.

![responsive_info_expand](https://github.com/user-attachments/assets/dc8ef3a6-4b24-4d95-985f-59b85ce0c66f)

#### Add multimodal settings on the UI
A setting for multimodal input (multimodal QA) is added to the UI (before user must edit the configuration file to enable it).

![image](https://github.com/user-attachments/assets/df1b7bf3-81c1-4de4-ad62-06fa69da009e)

**Full Changelog**: https://github.com/Cinnamon/kotaemon/compare/v0.8.3...v0.9.0