#Amethyst v0.82.2: Markdown improvements

The last version created some issues for the preview of images and videos in Markdown content. This should fix all of them.

- Fixes the transition between short preview and full text on markdown
- Adds NIP-44 metatags to markdown rendering.
- Adds background video rendering on markdown
- Performance: Calculates the text width of a space outside a composable.
- Fixes the image preview with uppercase extensions.

Download:
- Play Edition
- FOSS Edition - No translations