Add reproduce example in bug_report.md

Author: CatherineF-dev

.github/ISSUE_TEMPLATE/bug_report.md

@@ -26,3 +26,11 @@ If the matter is security related, please disclose it privately see https://gith
 * Kubernetes version (use `kubectl version`):
 * Cloud provider or hardware configuration:
 * Other info:
+
+**Reproduce example**:
+```bash
+# https://github.com/kubernetes/kube-state-metrics/issues/2223#issuecomment-1792850276
+minikube start
+...
+go run main.go --custom-resource-state-only --custom-resource-state-config-file ksm-2223/custom-resource-config-file.yaml --kubeconfig ~/.kube/config
+```