export cookieJar, class CookieJar and class Cookie in index.mjs

src/index.mjs

@@ -1,5 +1,6 @@
 import fetch from "./fetch";
 import CookieJar from "./cookie-jar";
+import Cookie from "./cookie";
 
 const cookieJar = new CookieJar();
 
@@ -27,3 +28,5 @@ export default async function cookieFetch(url, options) {
 
     return result;
 }
+
+export {cookieJar, CookieJar, Cookie};