* Remove puente
- add babel.py
- add merge and extract management commands
- add Babel to poetry requirements
- alter settings.TEMPLATES to use NAME instead of fallback
* Puente Removal
* simplify the configuration of the extraction options
* simplify the merge command
* update babel and remove puente
* adjustments to initialization during merge
* eye candy for successful extraction message
Co-authored-by: Ryan Johnson <rjohnson@mozilla.com>