Update image link

Author: andreyvelich

examples/v1beta1/README.md

@@ -389,3 +389,9 @@ docker.io/kubeflow/mpi-horovod-mnist
 ```
 docker.io/kubeflowkatib/xgboost-lightgbm
 ```
+
+- MXNet operator BytePS example, [source](https://github.com/bytedance/byteps/blob/master/example/mxnet/train_imagenet_byteps.py)
+
+```
+docker.io/bytepsimage/mxnet
+```

examples/v1beta1/mxjob-byteps.yaml

@@ -43,7 +43,7 @@ spec:
               spec:
                 containers:
                   - name: mxnet
-                    image: bytepsimage/mxnet
+                    image: docker.io/bytepsimage/mxnet
                     command: ["bpslaunch"]
           Server:
             replicas: 1
@@ -52,7 +52,7 @@ spec:
               spec:
                 containers:
                   - name: mxnet
-                    image: bytepsimage/mxnet
+                    image: docker.io/bytepsimage/mxnet
                     command: ["bpslaunch"]
           Worker:
             replicas: 1
@@ -61,7 +61,7 @@ spec:
               spec:
                 containers:
                   - name: mxnet
-                    image: bytepsimage/mxnet
+                    image: docker.io/bytepsimage/mxnet
                     command: ["bpslaunch"]
                     args:
                       [