move css/ to static/ in the repo

Author: pietroalbini

Dockerfile

@@ -69,7 +69,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
 RUN mkdir -p /opt/docsrs/prefix
 
 COPY --from=build /build/target/release/cratesfyi /usr/local/bin
-COPY css /opt/docsrs/prefix/public_html
+COPY static /opt/docsrs/prefix/public_html
 COPY templates /opt/docsrs/templates
 COPY docker-entrypoint.sh /opt/docsrs/entrypoint.sh