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## Description
This PR adds the Pingvin Share icon. Pingvin Share is a self-hosted file
sharing platform, their GitHub is
[here](https://github.com/stonith404/pingvin-share) if you want to check
it out.
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## Type of Change
<!--- Put an `x` in all the boxes that apply: -->
- [x] 🖼️ New icon
- [ ] ✨ New feature (non-breaking change which adds functionality)
- [ ] 🛠️ Bug fix (non-breaking change which fixes an issue)
- [ ] ❌ Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] 🧹 Code refactor
- [ ] ✅ Build configuration change
- [ ] 📝 Documentation
- [ ] 🗑️ Chore
