message: don't rebuild when the templates change
  This speeds up development, especially since docker always builds in
  release mode.
diff: @@ -41,9 +41,10 @@ RUN cargo build --release
  RUN rm -rf src build.rs
  COPY --chown=cratesfyi src src/
  COPY --chown=cratesfyi build.rs build.rs
  -COPY --chown=cratesfyi templates templates/
  +COPY --chown=cratesfyi templates/style.scss templates/
  RUN touch build.rs && find src -name "*.rs" -exec touch {} \; && cargo build --release
  +ADD templates templates/
  ADD css $CRATESFYI_PREFIX/public_html
  ENV DOCS_RS_DOCKER=true
  