README.md in paypal-rest-api-0.3.1 vs README.md in paypal-rest-api-0.4.0

@@ -1,5 +1,10 @@
+[![Gem Version](https://badge.fury.io/rb/paypal-rest-api.svg)](https://badge.fury.io/rb/paypal-rest-api)
+[![GitHub Actions](https://github.com/aglushkov/paypal-rest-api/actions/workflows/main.yml/badge.svg?event=push)](https://github.com/aglushkov/paypal-rest-api/actions/workflows/main.yml)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/11efd530f1df171dac2b/test_coverage)](https://codeclimate.com/github/aglushkov/paypal-rest-api/test_coverage)
+[![Maintainability](https://api.codeclimate.com/v1/badges/11efd530f1df171dac2b/maintainability)](https://codeclimate.com/github/aglushkov/paypal-rest-api/maintainability)
+
 # PaypalAPI
 
 ## Installation
 
 ```bash
@@ -128,11 +133,11 @@
 
 Retries happen on any network error, on 409, 429, 5xx response status code.
 
 ```ruby
 client = PaypalAPI::Client.new(
-  retries: {count: 2, sleep: [0, 0]}
+  retries: {enabled: !Rails.env.test?, count: 5, sleep: [0, 0.25, 0.75, 1.5, 2]}
   # ...
 )
 ```
 
 ### Option `:http_opts`
@@ -348,9 +353,21 @@
 - `PaypalAPI::Orders.confirm`
 - `PaypalAPI::Orders.authorize`
 - `PaypalAPI::Orders.capture`
 - `PaypalAPI::Orders.track`
 - `PaypalAPI::Orders.update_tracker`
+
+### Payment Tokens
+
+- `PaypalAPI::PaymentTokens.create`
+- `PaypalAPI::PaymentTokens.list`
+- `PaypalAPI::PaymentTokens.show`
+- `PaypalAPI::PaymentTokens.delete`
+
+<!-- -->
+
+- `PaypalAPI::SetupTokens.create`
+- `PaypalAPI::SetupTokens.show`
 
 ### Payments
 
 - `PaypalAPI::AuthorizedPayments.show`
 - `PaypalAPI::AuthorizedPayments.capture`