Additional theme customization options

The current options for setting a workspace's accent colors are great, and I think adding additional options would be very helpful for making a workspace match an organization's existing theme and style. Here are some ideas for more customization options: • Background colors and body text colors for light and dark themes • Body text font family - Sets CSS rule .ProseMirror {font-family: <customTheme.bodyFont>;}, for example - Maybe this should include system font fallbacks, in case an invalid font name is provided - Unsure how font sources should be provided here. Two possible options: 1. Have user enter a URL to a .css file, in which fonts are defined in [@font-face]( rules 2. Have a dropdown for selecting a font from a font provider, such as [Bunny Fonts]( [FontSource]( • List bullet styles ([more info]( • Background color and text color for inline code fields • Custom ==highlight== colors After further…