Merge pull request #108 from jerrychong25/patch-1

Added Swagger under Tools section in README.md

Author: saranshkataria

README.md

@@ -143,6 +143,7 @@ Useful articles and learning resources.
 - [Parcel](https://parceljs.org/) - Blazing fast, zero configuration web application bundler
 - [Emotion](https://emotion.sh/docs/introduction) - A CSS-in-JS library that promises users a high level of performance and flexibility.
 - [Create React App](https://github.com/facebook/create-react-app) - Create React apps with no build configurations.
+- [Swagger](https://swagger.io/) - Design and document APIs compatible with OpenAPI specification.
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