Adding Apache Superset to "In the Wild" section

[rusackas]

What:

Adding the Apache Superset project to the list of "In the Wild" implementations

Why:

Apache Superset has been using Emotion for quite a while now (original proposal here, and best practices captured here. We'd be proud to have our link on the roster!

How:

Via direct editing on Github... no IDE required!

Checklist:

• Documentation (if the README counts)
• Tests - N/A
• Code complete - N/A
• Changeset - N/A

Thanks in advance! You're doing great work over here!

[changeset-bot]

⚠️ No Changeset found

Latest commit: c545a76

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