New features:
 * Add new description to README, and some other small README improvements
 * new autoscroll with animation
 * Ability to launch multiple Fractal instances using FRACTAL_ID env

Fixes:
 * Escape text in body using the last html2pango
 * center inapp notification
 * Fix request with no timeout
 * Show user id when the displayname isn't present
 * Fix macos compilation problem with notify_rust
 * autocomplete: fix change usernames font color to white when selection ends at the same position as the username
 * Avoid destroy dialog on Esc