Standardize passing ids as parameters

[CosminPerRam]

The discord protocol requires the user to pass an id for the query, which is named guildId.
#588 (GTA ALTV) could require an id, named serverId.
In the next major version we should standardize the naming for such parameters (suggested by @xCausxn in #588), serverId sounds good for now but we'll have to see about it.

This change should come in v6 cause it is a breaking change.

[a-sync]

In a similar fashion Nadeo uses login/password, while Palworld uses username/password.