Return PaymentIntent status from /create_intent (#53)

* Return full PaymentIntent object from /create_intent

* Respond to comments

Author: mshafrir-stripe

web.rb

@@ -132,7 +132,11 @@ def authenticate!
 
   log_info("PaymentIntent successfully created: #{payment_intent.id}")
   status 200
-  return {:intent => payment_intent.id, :secret => payment_intent.client_secret}.to_json
+  return {
+    :intent => payment_intent.id,
+    :secret => payment_intent.client_secret,
+    :status => payment_intent.status
+  }.to_json
 end
 
 # This endpoint responds to webhooks sent by Stripe. To use it, you'll need