misc: add misc/rebuild-stubs-with-podman files

misc/rebuild-stubs-with-podman/10-create-image.sh

@@ -0,0 +1,14 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
+
+# create the image from Dockerfile
+# using a rootless Podman container
+
+image=upx-stubtools-20210104-v1
+
+podman build -t "$image" -f "$argv0dir/Dockerfile" "$argv0dir"
+
+podman image list "$image"
+podman image tree "$image"