Folder Icons

At least allow changing the color of the folders.

Now that we have icons for notes this makes even more sense

This can also be solved the other way around with a feature, which might be easier to implement: [x] Hide Folder/File icon if filename begins with an emoji.

I’m adding emojis at the beginning of each folder name to make them easier to spot, like “👨‍🏫 Uni” for example. But yes, folder and note icons would be class. Let’s you quickly see which notes are knowledge base notes, which contain tasks etc