Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/mdast-util-to-hast/lib/handlers/root.d.ts

@@ -0,0 +1,15 @@
+/**
+ * Turn an mdast `root` node into hast.
+ *
+ * @param {State} state
+ *   Info passed around.
+ * @param {MdastRoot} node
+ *   mdast node.
+ * @returns {HastParents}
+ *   hast node.
+ */
+export function root(state: State, node: MdastRoot): HastParents;
+export type HastParents = import("hast").Parents;
+export type HastRoot = import("hast").Root;
+export type MdastRoot = import("mdast").Root;
+export type State = import("../state.js").State;