Fix the router and stub out a number of crates to get compiling

packages/core/src/lib.rs

@@ -87,7 +87,7 @@ pub mod prelude {
         consume_context, consume_context_from_scope, current_scope_id, fc_to_builder, generation,
         has_context, needs_update, once, parent_scope, provide_context, provide_root_context,
         push_future, remove_future, schedule_update, schedule_update_any, spawn, spawn_forever,
-        suspend, use_error_boundary, AnyValue, Component, Element, ErrorBoundary, Event,
+        suspend, use_error_boundary, use_hook, AnyValue, Component, Element, ErrorBoundary, Event,
         EventHandler, Fragment, IntoAttributeValue, IntoDynNode, Properties, Runtime, RuntimeGuard,
         ScopeId, Task, Template, TemplateAttribute, TemplateNode, Throw, VNode, VNodeInner,
         VirtualDom,