drag image into preview

[daiyam]

Description

In preview mode, when dropping an image, the Editor is shown and the image in added at the end of the file on a new line.

Issue fixed

• Feature - Jump to editor when you drag an image in #817

Type of changes

• ⚪ Bug fix (Change that fixed an issue)
• ⚪ Breaking change (Change that can cause existing functionality to change)
• ⚪ Improvement (Change that improves the code. Maybe performance or development improvement)
• 🔘 Feature (Change that adds new functionality)
• ⚪ Documentation change (Change that modifies documentation. Maybe typo fixes)

Checklist:

• 🔘 My code follows the project code style
• ⚪ I have written test for my code and it has been tested
• 🔘 All existing tests have been passed
• ⚪ I have attached a screenshot/video to visualize my change if possible

[ZeroX-DG]

LGTM 🎉 Although it would be nice if you can detect the drop position and insert it there 😄

[daiyam]

@ZeroX-DG It could be done with the attribute data-line