feat: Add oci labels

Dockerfile

@@ -17,7 +17,18 @@ RUN /purge-bins && \
     rm -rf /media /mnt
 
 FROM scratch
+LABEL org.opencontainers.image.title="chrooted-ftp"
+LABEL org.opencontainers.image.description="A dead simple alpine-based docker container to allow users only access their own home directory."
+LABEL org.opencontainers.image.ref.name="main"
+LABEL org.opencontainers.image.licenses='"Climate Strike" License Version 1.0 (Draft)'
+LABEL org.opencontainers.image.vendor="Timo Reymann <[email protected]>"
+LABEL org.opencontainers.image.authors="Timo Reymann <[email protected]>"
+LABEL org.opencontainers.image.url="https://github.com/timo-reymann/chrooted-ftp"
+LABEL org.opencontainers.image.documentation="https://github.com/timo-reymann/chrooted-ftp"
+LABEL org.opencontainers.image.source="https://github.com/timo-reymann/chrooted-ftp.git"
+
 COPY --from=base_system / /
+
 ENV UMASK 022
 ENV PASSIVE_MIN_PORT 10090
 ENV PASSIVE_MAX_PORT 10100