Merge pull request #18 from UnicornChan/update-docker-readme

update docker.md to support docker pull image

doc/en/Docker.md

@@ -5,9 +5,11 @@
 * Create a folder to store big models & intermediate files (ex. /mnt/models)
 
 ## Images
-There are Docker images available for our project：
-
-**Uploading**
+There is a Docker image available for our project, you can pull the docker image by：
+```
+docker pull approachingai/ktransformers:0.1.1
+```
+**Notice**: In this image, we compile the ktransformers in AVX512 instuction CPUs, if your cpu not support AVX512, it is suggested to recompile and install ktransformer in the /workspace/ktransformers directory within the container.
 
 ## Building docker image locally
  - Download Dockerfile in [there](../../Dockerfile)