added expander support

[btiteux]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• New feature or enhancement
• UI change (please include screenshot!)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Internationalization and localization
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What is the current behavior?

Lack of expander support in v2.0

Issue Number: N/A

What is the new behavior?

Added expander support in v2.0

Other information

Quality check

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• Did you follow the code style guideline as described in CONTRIBUTING.md
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  • Linux (DevToys 2.0)