Add Reaction Commerce provider

Signed-off-by: Loan Laux <loan@outgrow.io>

framework/reactioncommerce/utils/get-anonymous-cart-token.ts

@@ -0,0 +1,8 @@
+import Cookies from 'js-cookie'
+import { REACTION_ANONYMOUS_CART_TOKEN_COOKIE } from '../const'
+
+const getAnonymousCartToken = (id?: string) => {
+  return id ?? Cookies.get(REACTION_ANONYMOUS_CART_TOKEN_COOKIE)
+}
+
+export default getAnonymousCartToken