cli (pubsub/attachment/set): update reactions handling: - reactions data has been updated following changes in XEP-0470 plugin - it is now possible to remove a reaction using uppercase `-R` - short option from `--replace` has been removed, as it is more handy to use `-R` to remove reactions rel 371

[DEFAULT]
xmpp_domain = server1.test
email_server = libervia-backend.test
email_port = 8025
email_admins_list = admin@server1.test

[component file-sharing]
http_upload_public_facing_url = http://localhost:7777
http_upload_connection_type = http
http_upload_port = 7777