Merge branch 'feature/shell-tools' into 'master'

Add SI shell-tools to build engine

See merge request !3

Dockerfile

@@ -7,6 +7,9 @@ RUN true\
    && dnf -y install podman buildah findutils git \
    && dnf clean all \
    && sed -e 's/cgroup_manager =.*/cgroup_manager = "cgroupfs"/' /usr/share/containers/libpod.conf > /etc/containers/libpod.conf \
+   && git clone https://git.shivering-isles.com/shivering-isles/shell-tools.git ./shell-tools \
+   && ./shell-tools/install.sh \
+   && rm -rf ./shell-tools \
    && true
 
 CMD ["/bin/bash"]