add use_router hook

packages/router/src/contexts/router.rs

@@ -0,0 +1,12 @@
+use std::sync::Arc;
+
+use async_rwlock::RwLock;
+use dioxus::prelude::{Component, ScopeId};
+use dioxus_router_core::{RouterMessage, RouterState};
+use futures_channel::mpsc::UnboundedSender;
+
+#[derive(Clone)]
+pub(crate) struct RouterContext {
+    pub(crate) state: Arc<RwLock<RouterState<Component>>>,
+    pub(crate) sender: UnboundedSender<RouterMessage<ScopeId>>,
+}