Merge #26: Update Index TOML confif file

68c0eec fix: [#24] update Index TOML confif file (Jose Celano)

Pull request description:

  Update Index TOML confif file

ACKs for top commit:
  josecelano:
    ACK 68c0eec

Tree-SHA512: 8b81951147e03915b77920d55c6389e1929969799a7866bc17a6c1138291457067ecf3d3df8300839a64f3ed858f21c9a7e71febdc2d37065593b552d19dc1c1

Author: josecelano

droplet/share/container/default/config/index.prod.container.sqlite3.toml

@@ -20,3 +20,6 @@ connect_url = "sqlite:///var/lib/torrust/index/database/sqlite3.db?mode=rwc"
 [mail.smtp]
 port = 1025
 server = "mailcatcher"
+
+[registration]
+[registration.email]