Native video upload support & custom theme rework

MP4 videos can now be directly uploaded and viewed in any of your Featurebase content (changelogs, feedback posts, help center articles, etc..).
You can use the /video command for it or click the video icon in some editors. (Uploads must be under 200MB).
This helps a lot with bug reports and showcasing new updates via the changelog.
Example of a video:
Custom Theme Rework
We released an update to the custom theme feature that allows you to pick the actual background color rather than a modified one. The theme will be automatically generated based on that.
The theme is also instantly applied to all widgets.
Here are some cool examples of what's possible:
- Anthropic theme -

- Raycast theme -

How to Use:
Navigate to Settings -> Branding and redefine your interface aesthetic by switching to the Dark theme and set your background color.