Example container using the Nvidia .run installer

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

examples/rockylinux-9-nvidia-installer/.gitignore

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+*.run

examples/rockylinux-9-nvidia-installer/Containerfile

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+FROM ghcr.io/warewulf/warewulf-rockylinux:9
+
+RUN dnf -y install kernel-devel \
+    && dnf clean all \
+    && for dir in /usr/src/kernels/*; do /bin/sh /mnt/NVIDIA-Linux.run -X --ui=none --no-backup --no-questions --kernel-name=$(basename $dir); done

examples/rockylinux-9-nvidia-installer/README.md

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+# Rocky Linux with the Nvidia driver (.run installer)
+
+This container definition demonstrates building a Rocky Linux based container
+incorporating the Nvidia driver from the `.run` installer.
+
+The container may be built with Podman.
+
+```shell
+
+podman build --volume <local .run installer>:/mnt/NVIDIA-Linux.run . --tag rockylinux-9-nvidia-installer
+```
+
+This can then be imported directly into Warewulf.
+
+```
+wwctl container import $(podman image mount rockylinux-9-nvidia-installer) rockylinux-9-nvidia-installer
+podman image unmount rockylinux-9-nvidia-installer
+```
+
+The host that builds the container does _not_ need to have a GPU installed.