Add GUI

gui/__init__.py

@@ -0,0 +1,24 @@
+"""
+gui — Arma Mod Manager UI package.
+
+Entry point:
+    from gui import run_app
+    run_app()
+"""
+from __future__ import annotations
+
+import customtkinter as ctk
+
+# Apply theme before any widget is created
+ctk.set_appearance_mode("dark")
+ctk.set_default_color_theme("blue")
+
+
+def run_app() -> None:
+    """Create and start the main window."""
+    from gui.app import ArmaModManagerApp
+    app = ArmaModManagerApp()
+    app.mainloop()
+
+
+__all__ = ["run_app"]