You can customize which files to hide and you can make it more minimal in the extensions options page. This extension also works with self-hosted GitHub Enterprise.
You can Follow the below Step By Step procedure to install the Hide Files on GitHub Chrome Extension to your Chrome Web browser.
It is the Hide Files on GitHub Chrome extension download link you can download and install Chrome Browser.
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Syntax Highlighting mini-editor for GitHub.com
Live preview for markdown comments in PRs/Issues on GitHub
Show user details and repository info in a tooltip.
Show notable forks of GitHub projects.
OctoLinker – Links together, what belongs together.
Twitter handles for GitHub
Explore npm dependencies on GitHub repos