How viable is the enhancement of Gatsby with client side interactive stuff (maybe with Create React App widgets) on a Gatsby site? I'm currently reasearching d

How viable is the enhancement of Gatsby with client side interactive stuff (maybe with Create React App widgets) on a Gatsby site? I'm currently reasearching different workflows and tools where you can transition from a landing page to a saas without changing the dev environment that much. The closest thing I've found is in the Laravel/Vue ecosystem, where you can start with a static site generator (Jigsaw), and progress into a full Laravel application from there, as it uses the same stuff under the hood minus the backend.