https://stackoverflow.com/questions/30817249/create-plan-on-stripe-through-laravel
https://stripe.com/docs/api/plans/create
use \Stripe\Plan;
Plan::create(array(
"amount" => 2000,
"interval" => "month",
"name" => "Amazing Gold Plan",
"currency" => "usd",
"id" => "gold")
);