Get console entry point working

setup.cfg

@@ -11,7 +11,6 @@ url = https://github.com/1j01/textual-paint
 keywords = tui, terminal, paint, drawing, art, graphics, text, textual, rich, ansi, ansi-art, mspaint
 
 [options]
-packages = find:
 install_requires =
     textual
     rich
@@ -25,3 +24,6 @@ wallpaper =
     appscript
     pyxdg
     PyGObject
+[options.entry_points]
+console_scripts =
+    textual-paint = textual_paint.paint:main

src/textual_paint/paint.py

@@ -4494,5 +4494,9 @@ if args.clear_screen:
 
 app.call_later(app.start_backup_interval)
 
-if __name__ == "__main__":
+def main() -> None:
+    """Entry point for the textual-paint CLI."""
     app.run()
+
+if __name__ == "__main__":
+    main()