Update i2p domains during bdsmail upgrade if needed

src/freedombone-app-bdsmail

     make GOROOT=/home/go/go${GO_VERSION}
     chown -R i2psvc:i2psvc $BDSMAIL_DIR
     systemctl restart bdsmail
+
+    if ! grep -q "$(bdsmail_domain)" /etc/skel/.mutt/bdsmail; then
+        bdsmail_update_domain
+    fi
 }
 
 function backup_local_bdsmail {