Diff - broken image in docs points to URL that no longer exists

[prosconi]

trafficstars

These URLs are now 404:

https://github.com/Dzoukr/Feliz.DaisyUI/blob/e576fc932677e53c2285b80079523e26c73dda5c/src/Docs/Pages/Diff.fs#L15-L20

Solution: Pull files in locally and serve them using relative pathing