Panel icons, trident menu button, Ctrl+Q in dbanner (0.9.4)

- Light theme: panel icons and labels are dark instead of pale grey.
- das-trident icon and das-panel-icon star|trident for the menu button.
- dbanner quits with Ctrl+Q like dprompt ("q" stays on the start screen).
- das-shell 0.4.0, das-theme 0.2.0, das-settings 0.5.0.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

srcpkgs/das-shell/template

@@ -1,7 +1,7 @@
 # Template file for 'das-shell'
 # In-tree package: sources are in files/ (FILESDIR).
 pkgname=das-shell
-version=0.3.0
+version=0.4.0
 revision=1
 create_wrksrc=yes
 hostmakedepends="python3"