Theme updates

- pina colors for kitty and nvim
- drop obsidian theme
- update theme notes
- switch default from pina to gruvbox

docs/workflow-and-workspaces-scheme.md

@@ -63,11 +63,11 @@ idea from the ThePrimeagen: designated workspace/label/desktop per app/purpose
 
 | theme name  | focus / use context
 |-------------|--------------------
-| pina        | default
-| tokyodark   | programming
-| lanterns    | (tbd)
-| lighthouse  | (tbd)
-| gruvbox     | admin/productivity work
-| jade        | (tbd)
+| gruvbox     | admin/productivity work (default theme)
+| tokyodark   | music
+| pina        | programming/coding
 | mars        | night (within 2+ hours of sleep)
+| lanterns    | (tbd?)
+| lighthouse  | (tbd?)
+| jade        | (tbd?)