Refactor application setup and watch functionality.

Author: DomagojGojak

dist/app.d.ts

@@ -6,12 +6,16 @@ import Handoff from '.';
  */
 declare const buildApp: (handoff: Handoff) => Promise<void>;
 /**
- * Watch the next js application
+ * Watch the next js application.
+ * Starts a custom dev server with Handoff-specific watchers and hot-reloading.
+ *
  * @param handoff
  */
 export declare const watchApp: (handoff: Handoff) => Promise<void>;
 /**
- * Watch the next js application
+ * Watch the next js application using the standard Next.js dev server.
+ * This is useful for debugging the Next.js app itself without the Handoff overlay.
+ *
  * @param handoff
  */
 export declare const devApp: (handoff: Handoff) => Promise<void>;