Change Docker image to latest version

Updated Docker image version from 3.2.29 to latest.

Author: karam-ajaj

README.md

@@ -78,7 +78,7 @@ docker run -d \
   -v /var/run/docker.sock:/var/run/docker.sock \
   -e ATLAS_UI_PORT=8884 \
   -e ATLAS_API_PORT=8885 \
-  keinstien/atlas:3.2.29
+  keinstien/atlas:latest
 ```
 
 **Environment Variables:**