Support suggestions in VS Code diff comments

Problem to solve

GitLab supports a custom suggestion Markdown code blocks

```suggestion:-0+0
suggested text
```

Which gets rendered on the web as

but in VS Code it renders as a generic text block:

Proposal

Implement a post-processing of comments in VS Code to convert the custom suggestion into a diff block:

```suggestion:-1+0
,--,
```

changes to

Suggestion:

```diff
- 
- ,,,
+ ,--,
```

rendered as

Further details

• This would be quite complex because as seen in the previous example, suggestion can span multiple lines (suggestion:-1+0) and so the logic would have to work not only on comments but also access the text file to have the full context.

Links / references