feat(sounds): add fist fight and rubber keys (Absalon43)

[Absalon43]

Description

Added two new sound fonts

Checks

• Adding quotes?
  • Make sure to include translations for the quotes in the description (or another comment) so we can verify their content.
• Adding a language or a theme?
  • If is a language, did you edit _list.json, _groups.json and add languages.json?
  • If is a theme, did you add the theme.css?
    • Also please add a screenshot of the theme, it would be extra awesome if you do so!
• Check if any open issues are related to this PR; if so, be sure to tag them below.
• Make sure the PR title follows the Conventional Commits standard. (https://www.conventionalcommits.org for more info)
• Make sure to include your GitHub username inside parentheses at the end of the PR title

Closes #

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/7715281063

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/7718537768

[Miodec]

There is loads of "empty space" in the new error sound, I would trim it down to make it more responsive.

Also, im still unsure about the "plastic toy" name...

[Absalon43]

All should be in order now

[Miodec]

Thanks