Replace booleans with dark | light strings

[ollema]

I could not get #9 to work - ran into some very weird issues.

This patch changes less things, and now all tests pass and it works for apps as well, as far as I can tell.

In this patch:

• I still keep (up to) 3 persistent stores.
• The derived store is no longer needed
• Unused code is removed (getModeUserPrefers, getModeAutoPrefers, autoModeWatcher)
• Variables (and localStorage keys) are renamed, mostly to ensure that there are no unforeseen consequences for end users when persistent stores are changed from booleans to strings
• I also fixed the bug mentioned in Discord

All in all, I hope this patch will improve readability

[changeset-bot]

🦋 Changeset detected

Latest commit: 0564701

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

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mode-watcher	Patch

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[huntabyte]

Thank you for taking the time to do this! Just a few minor things, mostly naming-related but one regarding an export. If you have any questions feel free to hit me up on Discord or if you want me to take care of this last bit, let me know and I can certainly do so!

[ollema]

Thank you for taking the time to do this! Just a few minor things, mostly naming-related but one regarding an export. If you have any questions feel free to hit me up on Discord or if you want me to take care of this last bit, let me know and I can certainly do so!

I think I fixed it all now, let me know if I missed anything. tests are passing and my test app is also working

[huntabyte]

Incredible, thanks a ton @ollema!