Another small update with a couple of QOL and translations related changes, plus a new avatar!

v1.3.4 (2020.04.21)
- Make holding an arrow button or controller axis repeat UI horizontal / vertical navigation
- Fix a bunch of spelling errors and mistypes in English texts
- Fix custom race track randomizer tip not interpreting rich text
- Fix wrong translation key used in most drifts reward
- Fix deleting a campaign save prompt containing "Randomize" button
- Add Luyc's Avatar