add constructor for typing service

src/service.rs

@@ -4,7 +4,7 @@ use std::{
 };
 
 use lru_cache::LruCache;
-use tokio::sync::{broadcast, Mutex, RwLock};
+use tokio::sync::Mutex;
 
 use crate::{observability::FilterReloadHandles, Config, Result};
 
@@ -85,11 +85,7 @@ impl Services {
                 directory: db,
                 edus: rooms::edus::Service {
                     read_receipt: db,
-                    typing: rooms::edus::typing::Service {
-                        typing: RwLock::new(BTreeMap::new()),
-                        last_typing_update: RwLock::new(BTreeMap::new()),
-                        typing_update_sender: broadcast::channel(100).0,
-                    },
+                    typing: rooms::edus::typing::Service::new(),
                 },
                 event_handler: rooms::event_handler::Service,
                 lazy_loading: rooms::lazy_loading::Service {