add navigator and use_navigate hook

packages/router/src/hooks/use_navigate.rs

@@ -0,0 +1,20 @@
+use dioxus::prelude::{ScopeId, ScopeState};
+use dioxus_router_core::Navigator;
+use log::error;
+
+use crate::utils::use_router_internal::use_router_internal;
+
+#[must_use]
+pub fn use_navigate(cx: &ScopeState) -> Option<Navigator<ScopeId>> {
+    match use_router_internal(cx) {
+        Some(r) => Some(r.sender.clone().into()),
+        None => {
+            let msg = "`use_navigate` must have access to a parent router";
+            error!("{msg}, will be inactive");
+            #[cfg(debug_assertions)]
+            panic!("{}", msg);
+            #[cfg(not(debug_assertions))]
+            None
+        }
+    }
+}