[FR] Shortcut to Move Block / Swap Line

### Description

Is there a shortcut to move blocks / swap them around?

In many note-taking apps (MS Word, Obsidian, Notion, Logseq, VS code, etc.), it would be something along the lines of:

SHIFT + ALT + Up/Down Arrow Key

or

ALT + Up/Down Arrow Key

or

CTRL + SHIFT + Up/Down Arrow Key

### Impact

This would make re-arranging blocks from the keyboard a lot more efficient and precise.

### Additional Context

Here's a similar feature request for the OnlyOffice app: https://forum.onlyoffice.com/t/shortcut-for-moving-a-line-or-paragraphe-up-down-in-text-documents/10716