added e-mail from ENV for crossref API nice pool

Author: chreman

docker-compose.yml

@@ -237,6 +237,7 @@ services:
       RENV_PATHS_CACHE: /renv/cache
       PYTHONIOENCODING: "utf-8"
       R_ALTMETRIC_APIKEY: "${R_ALTMETRIC_APIKEY}"
+      R_CROSSREF_APIMAIL: "${R_CROSSREF_APIMAIL}"
     restart: unless-stopped
     volumes:
       - ./local_dev/renv/cache:/renv/cache