feat: started work on enemy rifleman

modules/wave_survival/enemies/enemy_rifleman.cpp

@@ -0,0 +1,26 @@
+#include "enemy_rifleman.h"
+
+void EnemyRifleman::_bind_methods() {
+}
+
+void EnemyRifleman::on_child_entered() {
+}
+
+void EnemyRifleman::ready() {
+}
+
+void EnemyRifleman::_notification(int what) {
+	if (Engine::get_singleton()->is_editor_hint()) {
+		return;
+	}
+	switch (what) {
+		default:
+			return;
+		case NOTIFICATION_ENTER_TREE:
+			enter_tree();
+			return;
+		case NOTIFICATION_READY:
+			ready();
+			return;
+	}
+}