refactor: rework assets fetching

src/context/AppContext.tsx

@@ -1,9 +1,7 @@
 import { createContext } from "react";
-import { type RootManifest } from "~/utils/types";
 
 export const AppContext = createContext<
   | {
-      rootManifest: RootManifest;
       activeKitty: string;
       setActiveKitty: (value: string) => void;
     }