move core::pdu and core::state_res into core::matrix::

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/server/make_join.rs

@@ -1,5 +1,8 @@
 use axum::extract::State;
-use conduwuit::{Err, debug_info, utils::IterStream, warn};
+use conduwuit::{
+	Err, Error, Result, debug_info, matrix::pdu::PduBuilder, utils::IterStream, warn,
+};
+use conduwuit_service::Services;
 use futures::StreamExt;
 use ruma::{
 	CanonicalJsonObject, OwnedUserId, RoomId, RoomVersionId, UserId,
@@ -14,10 +17,7 @@ use ruma::{
 };
 use serde_json::value::to_raw_value;
 
-use crate::{
-	Error, Result, Ruma,
-	service::{Services, pdu::PduBuilder},
-};
+use crate::Ruma;
 
 /// # `GET /_matrix/federation/v1/make_join/{roomId}/{userId}`
 ///