Tstickers

- clearly notify user if backend is not installed

- revert 'fix'

- fix `convert_rlottie_python.py`

- Add '--file' arg for passing in a list of packs
- Implement a custom `demojize` function similar to the `emoji.demojize` function.
However, returns a string of unique keywords in alphabetical order seperated by "_"

2024 - 2024/03/17

- add convert backends to give the user a choice of using their preferred tool
- ruff
- code quality improvements

- Fix: add `parents=True` to `Path.mkdir()`
- Update pre-commit

- Refactor
- Add support for webm stickers

2022 - 2022/01/24

- Bump pillow version (CVE-2022-22815, CVE-2022-22816, CVE-2022-22817)
- Update deps
- Add formal tests