Added Docker/Podman build information.

build.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+IMAGE_NAME="azure-image-chooser"
+#IMAGE="docker.io/skoszewski/$IMAGE_NAME"
+IMAGE="skdomlab.azurecr.io/$IMAGE_NAME"
+
+podman build -t $IMAGE .
+podman push $IMAGE