Organize themes by family (litmus-vas0)


Status	Done · `archived`
Type	Task
Priority	normal
Parent	(litmus-irro)

Group themes by family (e.g. Catppuccin family: Mocha, Latte, Frappe, Macchiato).

Summary of Changes

Themes organized into family subdirectories:

themes/catppuccin/ (4 variants)
themes/tokyo-night/ (3 variants)
themes/gruvbox/ (2 variants)
themes/rose-pine/ (3 variants)
themes/solarized/ (2 variants)
themes/everforest/ (2 variants)
themes/dracula.toml (standalone)
themes/nord.toml (standalone)
themes/kanagawa.toml (standalone)