add quit command

src/dusksdl2/display/overworld/renderoverworld.c

@@ -0,0 +1,16 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "renderoverworld.h"
+
+void renderOverworldInit(void) {
+  // Initialize overworld rendering resources here
+}
+
+void renderOverworldDispose(void) {
+  // Clean up overworld rendering resources here
+}