Add versions listing script

bin/image-versions.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Usage: ./image-version.sh <image>
+# Example: ./image-version.sh gitea/gitea
+#
+# Reads image metadata from Docker hub and lists versions
+
+IMAGE="$1"
+
+skopeo inspect "docker://$IMAGE" | jq '.RepoTags'