Include Slides

Author: Simona Cotin

README.md

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 In this workshop we'll build a Serverless GraphQL endpoint for an existing voting API.
 
+## slides
+
+[Build Scalable APIs Using GraphQL and Serverless](https://www.slideshare.net/SimonaCotin/build-scalable-apis-using-graphql-and-serverless-172329195)
+
 ## Prerequisites
 
 1. A recent version of [Node](https://nodejs.org/en/download) (8+)