Add LABEL to Dockerfiles

Author: vkuznet

Dockerfile

@@ -15,3 +15,4 @@ RUN cd $PROJECT && make && cp srv /build
 # RUN mkdir -p /data
 FROM gcr.io/distroless/static as final
 COPY --from=go-builder /build/srv /data
+LABEL org.opencontainers.image.description FOXDEN DataManagement service