• Added relay mode.
• Added automatic conversion of voice messages in both directions (mp4/aac to facebook and ogg/opus to Matrix).
• Added external URLs to unsupported attachment messages and story reply messages.
• Added support for typing notifications in both directions.
• Added Python 3.10 support.
• Removed legacy community features.
• Changed example config to disable temporary disconnect notices by default.
• Updated Docker image to Alpine 3.15.
• Formatted all code using black and isort.