fix(ui,docker): expose TinyMCE API key env variable

Author: luizhf42

docker-compose.yml

@@ -84,6 +84,7 @@ services:
       - SHELLHUB_ENTERPRISE=${SHELLHUB_ENTERPRISE}
       - SHELLHUB_CLOUD=${SHELLHUB_CLOUD}
       - SHELLHUB_ANNOUNCEMENTS=${SHELLHUB_ANNOUNCEMENTS}
+      - SHELLHUB_TINYMCE_API_KEY=${TINYMCE_API_KEY}
       - SHELLHUB_VERSION=${SHELLHUB_VERSION}
       - SHELLHUB_SENTRY_DSN=${SHELLHUB_SENTRY_DSN}
       - SHELLHUB_PAYWALL=${SHELLHUB_PAYWALL}