docs: mention swr

Close #151

docs/quick-start.md

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 # Quick Start
 
-Pinia Colada is the perfect companion to [Pinia](https://pinia.vuejs.org) to handle **async** state management in your Vue applications. It wil remove the need to write boilerplate code for data fetching and transparently bring **caching**, **deduplication**, **invalidation**, and much more. Allowing you to focus on building the best user experience for your users. **You don't even need to learn Pinia to use Pinia Colada** because it exposes its own composables.
+Pinia Colada is the perfect companion to [Pinia](https://pinia.vuejs.org) to handle **async** state management in your Vue applications. It will remove the need to write boilerplate code for data fetching and transparently bring **caching**, **deduplication**, **invalidation**, **stale while revalidate (swr)** and much more. Allowing you to focus on building the best user experience for your users. **You don't even need to learn Pinia to use Pinia Colada** because it exposes its own composables.
 
 Get a quick overview of how to use Pinia Colada in your project or if you prefer to directly play with the code you can play with Pinia Colada in this [Stackblitz](https://stackblitz.com/github/posva/pinia-colada-example) project.