Update 'README.md'

README.md

@@ -1,5 +1,11 @@
 wsl2   
 buildx builder requires registry cert  
+
+docker convenience script  
+```
+ curl -fsSL https://get.docker.com -o get-docker.sh
+ sh ./get-docker.sh
+```
 to run multi-arch more reliably run this in wsl instance  
 https://www.stereolabs.com/docs/docker/building-arm-container-on-x86/  
 ```