add IOpipe sponsorship

README.md

@@ -105,6 +105,7 @@ Whatever you decide is best for your use case, **Lambda API** is there to suppor
 - [ALB Integration](#alb-integration)
 - [Configuring Routes in API Gateway](#configuring-routes-in-api-gateway)
 - [TypeScript Support](#typescript-support)
+- [Sponsors](#sponsors)
 - [Contributions](#contributions)
 
 ## Installation
@@ -1355,6 +1356,13 @@ An `index.d.ts` declaration file has been included for use with your TypeScript
 import API from 'lambda-api'
 ```
 
+## Sponsors
+
+[<img align="left" width="150" height="150" src="http://jeremydaly.com/wp-content/uploads/2019/02/io-_logo_black_rgb-150x150.png" alt="IOpipe">](https://www.iopipe.com/?utm_source=github&utm_medium=lambda-warmer-lambda-api&utm_campaign=open%20source%20sponsorship)
+
+ IOpipe is all about making it more fun to be a developer through the support of the open source serverless community. Sign up with [IOpipe](https://www.iopipe.com/?utm_source=github&utm_medium=lambda-warmer-lambda-api&utm_campaign=open%20source%20sponsorship) for free to get real-time visibility into the most detailed behaviors of your Lambda applications.
+
+
 ## Contributions
 Contributions, ideas and bug reports are welcome and greatly appreciated. Please add  [issues](https://github.com/jeremydaly/lambda-api/issues) for suggestions and bug reports or create a pull request.