add image to run tests, however, toolbox commands cannot be tested properly as of now

Containerfile

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+FROM quay.io/podman/stable
+
+ENV RUST_VERSION=1.61.0
+ENV HOME=/home/root
+
+RUN dnf install gtk4-devel gcc libadwaita-devel -y
+RUN dnf install toolbox -y
+
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+RUN . $HOME/.cargo/env
+ENV PATH=/home/root/.cargo/bin:$PATH
+RUN rustup install ${RUST_VERSION}
+
+WORKDIR /mnt
+
+CMD cargo test
+