Fisher Luba

I did some work on the LegupPreferences class because I noticed it was kind of annoying to work with. Before you had to do something like `LegupPreferences.getUserPref(LegupPreferences.).equals(Boolean.asString("false));` Now, you can...

I added a checkbox for using a custom theme, now I just have to figure out how to make the button sizes and shapes the same as FlatLaf.

Now the shapes of the buttons don't change because I removed the LegupLookAndFeel class which wasn't being used, so now if the option to use custom colors is checked, it...

> I still am getting issues with dark mode. I have dark mode toggled to be on when I open LEGUP and it's opening it in light mode. Additionally, when...

I can do that, it might be okay to leave that though so that a color theme file can just override the colors it wants to, so if the user...

> There seems to be a bug with saving within the Puzzle Creator, which appears to be caused by the merge conflicts on `ProofEditorPanel.java` and `PuzzleEditorPanel.java`. When attempting to save...