update design

Signed-off-by: yy <[email protected]>

design/outlier-detection-design.md

@@ -74,6 +74,13 @@ type OutlierDetection struct {
     // +optional
     // +kubebuilder:validation:Maximum=100
     MaxEjectionPercent *uint32 `json:"maxEjectionPercent,omitempty"`
+
+	// MaxEjectionTimeJitter is The maximum amount of jitter to add to the ejection time, 
+	// in order to prevent a ‘thundering herd’ effect where all proxies try to reconnect to host at the same time.
+    // Defaults to 0s.
+    // +optional
+    // +kubebuilder:validation:Pattern=`^(((\d*(\.\d*)?s)|(\d*(\.\d*)?ms))+)$`
+    MaxEjectionTimeJitter *string `json:"maxEjectionTimeJitter,omitempty"`
 }
 ```