Examples guide in Resnet Readme

[182yzh]

The docker command in the file with an error parameters.
the command

# the origin in guide file
docker run -dit --gpu all --privileged  --ipc=host --network=host  -v .:/root --name phos_example phoenixos/pytorch:11.3-ubuntu20.04
# should be 
docker run -dit --gpus all --privileged  --ipc=host --network=host \
            -v .:/root --name phos_example phoenixos/pytorch:11.3-ubuntu20.04

and the path to the examples also have a mistake;

#origin
cd /root/example/resnet
#should be:
cd /root/examples/resnet