Added a link to a Next.js example in the docs

Author: samejr

docs/guides/frameworks/nextjs.mdx

@@ -39,7 +39,7 @@ For more information on authenticating with Trigger.dev, see the [API keys page]
 
 ## Triggering your task in Next.js
 
-Here are the steps to trigger your task in the Next.js App and Pages router and Server Actions.
+Here are the steps to trigger your task in the Next.js App and Pages router and Server Actions. Alternatively, check out this repo for a [full working example](https://github.com/triggerdotdev/example-projects/tree/main/nextjs/server-actions/my-app) of a Next.js app with a Trigger.dev task triggered using a Server Action.
 
 <Tabs>