[Feature request] Add Scrolling capture.

[prakashsahu-goldcast]

Just like the option available in shottr app

[Ankitmohanty2]

Hi @prakashsahu-goldcast 👋
Thanks for the feature request!

I'd like to explore implementing scrolling capture similar to Shottr.
Before starting, I wanted to clarify a few things:

1. Is the target limited to browser windows, or any scrollable app?
2. Is there an existing image stitching utility in the codebase?
3. Are you open to a phased implementation (MVP first)?

Happy to prototype and share an approach before a full PR.

[prakashsahu-goldcast]

1. Any scrollable windows, Like even on reddit desktop's msg box we can scroll that by selecting that only. and works on any apps.