Will download HF models to Buzz cache folder

[raivisdejus]

This change will bring the following improvements:

• Download progress will work from snaps (hopefully) as otherwise app from snap can't access the HF hub default location
• Will let us clean up on uninstall

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 82.61%. Comparing base (905716c) to head (0c46acd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #775 +/- ## ========================================== + Coverage 82.49% 82.61% +0.11% ========================================== Files 83 83 Lines 3948 3952 +4 ========================================== + Hits 3257 3265 +8 + Misses 691 687 -4 ``` | [Flag](https://app.codecov.io/gh/chidiwilliams/buzz/pull/775/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams) | Coverage Δ | | |---|---|---| | [Linux](https://app.codecov.io/gh/chidiwilliams/buzz/pull/775/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams) | `80.71% <100.00%> (+0.17%)` | :arrow_up: | | [macOS](https://app.codecov.io/gh/chidiwilliams/buzz/pull/775/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams) | `82.08% <100.00%> (+0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Chidi+Williams#carryforward-flags-in-the-pull-request-comment) to find out more.

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