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>

pyproject.toml

@@ -0,0 +1,29 @@
+[project]
+name = "taninux"
+version = "0.2.0"
+description = "TANINUX — central Linux maintenance & management TUI for Arch. Pillars: maintain, update, kernel, suggest, health."
+requires-python = ">=3.11"
+dependencies = [
+    "textual>=0.86",
+]
+
+[project.optional-dependencies]
+# GTK-Frontend. PyGObject + libadwaita kommen am besten als System-Pakete
+# (pacman -S python-gobject libadwaita gtk4) — der pip-Build von PyGObject
+# braucht sonst die GTK-Dev-Header. Daher hier bewusst KEIN harter Pin.
+gui = [
+    "pygobject>=3.50; sys_platform == 'linux'",
+]
+
+[project.scripts]
+taninux = "taninux.cli:main"
+taninux-gtk = "taninux.gui.app:main"
+tsettings = "taninux.gui.app:main_settings"
+thub = "taninux.gui.app:main_hub"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/taninux"]