It looks like you're describing a browser extension or tool that adds a search form to the top of GitHub wikis, providing an easier way to search for information within the wikis of specific repositories. This can be a handy feature for users looking to streamline their navigation and search experience on GitHub.
The provided link to the documentation on how to search GitHub wikis adds clarity to the extension's functionality and usage. Additionally, you've included an alternative link for users who might be interested in similar tools available on the Chrome Web Store.
If you have any specific questions or if there's anything else you'd like assistance with regarding this tool, feel free to let me know!
