update defaultcfg folder

defaultcfg/fsfwconfig/returnvalues/classIds.h

@@ -0,0 +1,16 @@
+#ifndef CONFIG_RETURNVALUES_CLASSIDS_H_
+#define CONFIG_RETURNVALUES_CLASSIDS_H_
+
+#include <fsfw/returnvalues/FwClassIds.h>
+
+/**
+ * @brief   CLASS_ID defintions which are required for custom returnvalues.
+ */
+namespace CLASS_ID {
+enum {
+	MISSION_CLASS_ID_START = FW_CLASS_ID_COUNT,
+};
+}
+
+
+#endif /* CONFIG_RETURNVALUES_CLASSIDS_H_ */