feat(participant): export to a playground VSCODE-574

[alenakhineika]

Description

Convert the full text from the active editor or selected lines of code written in the input language to the Shell language and open a new MongoDB playground with the generated code.

Checklist

• [x] New tests and/or benchmarks are included
• [ ] Documentation is changed or added
• [ ] I have signed the MongoDB Contributor License Agreement (https://www.mongodb.com/legal/contributor-agreement)

Motivation and Context

• [ ] Bugfix
• [x] New feature
• [ ] Dependency update
• [ ] Misc

Types of changes

• [ ] Backport Needed
• [ ] Patch (non-breaking change which fixes an issue)
• [x] Minor (non-breaking change which adds functionality)
• [ ] Major (fix or feature that would cause existing functionality to change)