feat(theme): added tangerine theme (devdenisalex)

[devdenisalex]

this theme gives monkeytype a light orange look based on the colors of a tangerine

[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/7882700990

[Miodec]

Text color needs to be either black or white (can have a very slight tint)

[devdenisalex]

alr, done :)

[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/7886037790

[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/7886059685

[devdenisalex]

hope this is enough

oh and also it keeps telling that "Monkey CI / ci-assets (pull_request)" failing. idk how any of this works so im not really sure how to fix it cus its my first time

[Miodec]

Thanks

[Miodec]

Nevermind, reverting - errors are invisible. (colorful mode enabled)