[feat]: Semi-open sidebar on hover

[FormalSnake]

Feature description

In the Arc browser, you have a sidebar that goes in a semi-opened state when hovering near it, which could be a cool feature to be built in as an option.

Affected component/components

Sidebar

Additional Context

Screen.Recording.2024-11-07.at.19.40.24.mp4

Before submitting

• I've made research efforts and searched the documentation
• I've searched for existing issues and PRs