feat: add mail configuration in worker docker compose

docker/docker-compose.yaml

@@ -152,6 +152,12 @@ services:
       VECTOR_STORE: weaviate
       WEAVIATE_ENDPOINT: http://weaviate:8080
       WEAVIATE_API_KEY: WVF5YThaHlkYwhGUSmCRgsX3tD5ngdN8pkih
+      # Mail configuration, support: resend
+      MAIL_TYPE: ''
+      # default send from email address, if not specified
+      MAIL_DEFAULT_SEND_FROM: 'YOUR EMAIL FROM (eg: no-reply <no-reply@dify.ai>)'
+      # the api-key for resend (https://resend.com)
+      RESEND_API_KEY: ''
     depends_on:
       - db
       - redis