Initial commit — TANINUX (camel): management app + distro packaging

- app: GTK System Settings (tsettings) + Software Hub (thub) + TUI
- distro/: camel.toml manifest + MANIFEST.md (Arch + [tanin] repo model)
- packaging/: taninux, tanin-desktop (niri metapackage), tanin-greet,
  tanin-libadwaita, tanin-setup
- docs/, data/, LICENSE (GPL-3.0-or-later)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

packaging/tanin-libadwaita/PKGBUILD

@@ -0,0 +1,24 @@
+# Maintainer: Karim <karim@gabrielevarano.ch>
+#
+# tanin-libadwaita — Fuji recolour for GTK4/libadwaita AND GTK3 (light + dark).
+# Recolours libadwaita apps (tsettings/thub, Nautilus, …) via named Adwaita
+# colors, and GTK3 apps (pavucontrol, nm-connection-editor, …) via adw-gtk3,
+# with pill-shaped controls. One switch covers both toolkits:
+#   tanin-libadwaita {dark|light|auto|watch}
+pkgname=tanin-libadwaita
+pkgver=0.1.0
+pkgrel=1
+pkgdesc="TANINUX Fuji recolour for GTK4/libadwaita + GTK3 — light + dark, pills"
+arch=('any')
+url="https://taninux.kgva.ch"
+license=('GPL-3.0-or-later')
+depends=('glib2' 'adw-gtk3')        # gsettings + GTK3 base theme for the recolour
+optdepends=('tanin-setup: seed the variant + start the color-scheme watcher on login')
+
+package() {
+  install -Dm644 "$startdir/gtk-4.0/dark.css"  "$pkgdir/usr/share/tanin/libadwaita/gtk-4.0/dark.css"
+  install -Dm644 "$startdir/gtk-4.0/light.css" "$pkgdir/usr/share/tanin/libadwaita/gtk-4.0/light.css"
+  install -Dm644 "$startdir/gtk-3.0/dark.css"  "$pkgdir/usr/share/tanin/libadwaita/gtk-3.0/dark.css"
+  install -Dm644 "$startdir/gtk-3.0/light.css" "$pkgdir/usr/share/tanin/libadwaita/gtk-3.0/light.css"
+  install -Dm755 "$startdir/tanin-libadwaita"  "$pkgdir/usr/bin/tanin-libadwaita"
+}