crate to query federation node information.
WIP! will be a port of https://codeberg.org/thefederationinfo/nodeinfo-go.
Based on [Well-known URI](https://www.rfc-editor.org/rfc/rfc8615.html) for [nodeinfo](http://nodeinfo.diaspora.software/) and [matrix discovery](https://spec.matrix.org/v1.2/client-server-api/#well-known-uri) it obtains node information about it's service and user stats.