i'm straight up fixing it, and by it, well, lets just say, the backend

[trinkey]

What does this do?

cache langs, buttons work, bugfixes

Issues completed:

• fixes #178
• fixes #180

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Checklist for Reviewers

• [x] Version has been incremented (if appropriate)
• [x] BACKEND.md has been updated for any new functions
• [x] Code is formatted good enough (ask @trinkey)
• [x] Any new changes have been tested thoroughly (including api calls that wouldn't normally be possible using inspect element or using the /api/docs page)
• [x] Features that break easily have been tested (mostly viewing pages when not logged in)

[trinkey]

Don't feel like testing stuff rn

everything works perfectly good for me and bugs can be fixed if they appear in prod so ill just merge