Add theme ethereal (#3464)

* Add theme Ethereal

* Update to follow the Omarchy hot reload

* Add aether to all themes

* Add a vscode theme

* Revert "Add aether to all themes"

This reverts commit 421f467e213150254ab10dbe09dd6382bf6c54eb.

* Format the kitty file

* Make available to all via migration

* Fix

* Add hot reload

* Change the background image to something of higher quality

This looks a lot better on a 6K monitor

* Highlight border color should be brighter than inactive color

* Add preview.png for new visual theme selector

* Add the ethereal nvim variant of aehter

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Co-authored-by: David Heinemeier Hansson <david@hey.com>

themes/ethereal/mako.ini

@@ -0,0 +1,21 @@
+text-color=#ffcead
+border-color=#c89dc1
+background-color=#060B1E
+width=420
+height=110
+padding=10
+border-size=2
+font=Liberation Sans 11
+anchor=top-right
+outer-margin=20
+default-timeout=5000
+max-icon-size=32
+
+[app-name=Spotify]
+invisible=1
+
+[mode=do-not-disturb]
+invisible=true
+
+[mode=do-not-disturb app-name=notify-send]
+invisible=false