Replace the negative boolean `disableItalics` with positive `italics` option for better API ergonomics. This affects all italic styling throughout the theme including comments, keywords, and plugin highlights.
BREAKING CHANGE: Users must update their configuration from `disableItalics = true` to `italics = false`.
Adds an EditorConfig file to maintain consistent coding styles across editors. Reformats code with consistent indentation using spaces instead of tabs. Makes minor color palette adjustments.
