* feat: add voice to user model
* update bot settings on language / learning settings update
* use room summary to determine member count
* translations
* refactor: Group redundant ModelKey entries
* Add python script to find and replace hardcoded ModelKey values
* Edited Python script to not automatically use ModelKey for files not
already using it
* refactor: Ran script and accepted obvious changes
* rename 'duration' model key
---------
Co-authored-by: ggurdin <ggurdin@gmail.com>