Add script debian/mkimage-wrapper.sh
Add script debian/mkimage-wrapper.sh

debian/mkimage-wrapper.sh creates minimum2scp/debian:latest image:

```
TAG=minimum2scp/debian:latest debian/mkimage-wrapper.sh
```

minimum2scp/dockerfiles,mac-/dockerfiles,minimum2scp/dockerfiles,minimum2scp/dockerfiles,mac-/dockerfiles