feature updates

scripts/ui/MainMenu.gd

@@ -76,7 +76,7 @@ func _create_menu() -> void:
 	deck_builder_button.pressed.connect(_on_deck_builder_pressed)
 
 	online_button = _create_overlay_button("Online", 2)
-	online_button.disabled = true
+	online_button.pressed.connect(_on_online_pressed)
 
 	settings_button = _create_overlay_button("Settings", 3)
 	settings_button.disabled = true
@@ -168,6 +168,10 @@ func _on_deck_builder_pressed() -> void:
 	deck_builder.emit()
 
 
+func _on_online_pressed() -> void:
+	online_game.emit()
+
+
 func _on_quit_pressed() -> void:
 	quit_game.emit()
 	get_tree().quit()