CodeWing - GitHub code navigation

*UPDATE* CodeWing has been integrated into Sourcegraph! Install the Sourcegraph Chrome extension instead:

https://chrome.google.com/webstore/detail/sourcegraph/dgjhfomjieaadpoljlnidmbgkdffpack?hl=en

*OLD DESCRIPTION BELOW*

- 📜 Hover over a variable to view its documentation
- ➡️ Click on a variable to jump to its definition
- 🧠 Understands all language constructs (local variables, functions, etc.)
- ⤴️ Works on pull requests
- ⚡️ Lightning fast
- 📝 Works on Java, Python, and Go code