Documentation/Manifests: Enable hairpin mode in other YMLs.

Documentation/k8s-manifests/kube-flannel-legacy.yml

@@ -19,6 +19,7 @@ data:
       "name": "cbr0",
       "type": "flannel",
       "delegate": {
+        "hairpinMode": true,
         "isDefaultGateway": true
       }
     }

Documentation/kube-flannel-aliyun.yml

@@ -57,6 +57,7 @@ data:
       "name": "cbr0",
       "type": "flannel",
       "delegate": {
+        "hairpinMode": true,
         "isDefaultGateway": true
       }
     }

Documentation/minikube.yml

@@ -22,6 +22,7 @@ data:
       "name": "cbr0",
       "type": "flannel",
       "delegate": {
+        "hairpinMode": true,
         "isDefaultGateway": true
       }
     }