docs(readme): Add example request

Add example request to show how to send the bearer token

README.md

@@ -2,7 +2,9 @@
 
 [![NPM version](https://badge.fury.io/js/exegesis-cognito.svg)](https://www.npmjs.com/package/exegesis-cognito)
 [![Build Status](https://travis-ci.org/niallmccullagh/exegesis-cognito.svg)](https://travis-ci.org/niallmccullagh/exegesis-cognito)
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+[![Coverage Status](https://coveralls.io/repos/github/niallmccullagh/exegesis-cognito/badge.svg?branch=master)](https://coveralls.io/github/niallmccullagh/exegesis-cognito?branch=master)
+[![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release) 
+[![Greenkeeper badge](https://badges.greenkeeper.io/niallmccullagh/exegesis-cognito.svg)](https://greenkeeper.io/)
 
 This package provides authentication of AWS cognito tokens in Exegesis requests.
 
@@ -22,7 +24,7 @@ async function createServer() {
         {
             // Other options go here...
             authenticators: {
-                bearerAuth: exegesisCognito( { jwks})
+                bearerAuth: exegesisCognito( { jwks })
             }
         }
     ));
@@ -115,4 +117,15 @@ or access token.
     "username": "niall"
   }
 }
-```
+```
+
+## Sending a request
+
+The client must send the access/id token in the Authorization header when making requests to protected resources.
+For example,
+
+```bash
+curl -X GET \
+  'http://localhost:3000/things' \
+  -H 'Authorization: Bearer eyJraWQiOiJpaGZYSVQ4Uk4yeFwvQW15UVo0Z2FUdEw5T3ZqQVpQa3RUcHY4SUpTbWttaz0iLCJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJiYTViY2Y3Mi00YjIwLTRjMDYtYmM2Yi1mZmM3MTBhZGIyNDQiLCJhdWQiOiIyNzh2b2EwY3UzM2Mxa3VlODJyYTYycTY1cSIsImNvZ25pdG86Z3JvdXBzIjpbIm15Z3JvdXAiXSwiZW1haWxfdmVyaWZpZWQiOnRydWUsImV2ZW50X2lkIjoiMzI4NDRkNDgtYjFkZC0xMWU4LWE0NzQtMDVhN2YwNzQzYmE3IiwidG9rZW5fdXNlIjoiaWQiLCJhdXRoX3RpbWUiOjE1MzYyNDI0MjIsImlzcyI6Imh0dHBzOlwvXC9jb2duaXRvLWlkcC51cy1lYXN0LTEuYW1hem9uYXdzLmNvbVwvdXMtZWFzdC0xX1RFU1QiLCJjb2duaXRvOnVzZXJuYW1lIjoiamFuZSIsImV4cCI6MTUzNjI0NjAyMiwiaWF0IjoxNTM2MjQyNDIyLCJlbWFpbCI6ImphbmVAZC5vZSJ9.IdZV1F0MxEU0eC_6Qe_98EjgMSgYEGhP-mwqZtzQb4L8U1jOw-hnK4J1REChsaOatffE-aOJ4uoLV4oPYedRqnX4ABJ9XueN3lWfcZHc_DE2RTvDuEAV7hHoNTZwwn_mgaaYwLNMMOJeciXu3iM7PeT7xJAjdCxcdczZi1hPpqBc9Yx9wM7EMHyEo5klov3zRPJyvFPEpQPgpG1TjNkuvFwcl848YaXQDdlS9rXtTOySBVQu913e3i25VBnxZGxeHpFO3mmUomefOprDEvZpBSPg3-Di4F2-vKDzIl1OT98J8GayrJnD39O1TMUdiW-ApZKBFydtJtqvydQoVmEo_g'
+```