Website fixes for December 2025

[demonkillerr]

Fixes to the website for the November release.

1. Update all packages with npm
2. Move testimonials to tutorials page -> rebrand it as "Videos from other creators"
3. Redo the entire home page
4. Make styles consistent throughout the website
5. Add a new release page for changelog
6. Add checksum component to download page
7. Download page download button directly leads to sourceforge
8. Make download page styling in line with home page
9. Restyle tutorial page, move all videos to the left, and description to the right

[netlify]

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