Following user feedback, this should help making the Markdown Preview
more discoverable.

| Buffer Right-click | Tab Right-click |
|--------|--------|
| <img width="2474" height="1824" alt="Screenshot 2026-01-27 at 10 
16@2x"
src="https://github.com/user-attachments/assets/251149e9-89c6-4d11-aed0-872669939cfb"
/> | <img width="2464" height="1808" alt="Screenshot 2026-01-27 at 10 
16 2@2x"
src="https://github.com/user-attachments/assets/359a221b-2141-45b1-98a9-d9c77b601c0b"
/> |

Release Notes:

- Workspace: Added a menu item in the buffer and tab right-click menu
for opening Markdown and SVG files in the preview tab.