frontend dev

Author: keharper

src/pages/app-development/index.md

@@ -15,13 +15,18 @@ Start by becoming familiar with the [App Builder documentation](https://develope
 
 Once you've become comfortable with the Adobe I/O infrastructure, analyze  your current extensions and begin mapping its in-process features into the App Builder and Adobe I/O environment. Key areas to consider include:
 
+*  Frontend development
 *  APIs
 *  Plugins and observers
 *  Backend development
 *  Custom cron jobs
 *  Database data
 *  Filesystem
 
+### Frontend development
+
+[Spectrum](https://spectrum.adobe.com/page/principles/) provides all the tools you need to create the next generation of React-based applications. Adobe Commerce continues support of legacy PWA and Luma storefronts.
+
 ### APIs
 
 [API Mesh for Adobe Developer App Builder](https://developer.adobe.com/graphql-mesh-gateway/) enables developers to integrate private and third-party APIs and other software interfaces with Adobe Commerce and other Adobe products using Adobe I/O.