add appStore and use router for booking

pages/_app.js

@@ -4,6 +4,12 @@ import '../styles/index.css'
 
 import 'react-day-picker/lib/style.css'
 
+import AppStore from '../context/appStore'
+
 export default function MyApp({ Component, pageProps }) {
-  return <Component {...pageProps} />
+  return (
+    <AppStore>
+      <Component {...pageProps} />
+    </AppStore>
+  )
 }