Store CSS externally on disk

[zhouxinghong]

Feature Description:

Hello everyone! I have a request
Can you extract all the .css style files so that users can customize the appearance through .css files, for example: index.css

Video_2024-09-07_131230.mp4

1.53

[msujew]

I've transferred this to the blueprint repo, as the framework already allows to modify the css of the app.

[zhouxinghong]

@msujew My friend! This is a very very good idea! Thank you so much 🙏!