Refined GitHub

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Simplifies the GitHub interface and adds useful featuresHighlights:
- Mark issues and pull requests as unread
- Tabs in code are shown as 4 spaces instead of 8 spaces
- Fix merge conflicts in a click
- Reaction avatars showing who reacted to a comment
- Clickable references to issues and pull requests
- View linked gists inline in comments
- View the source of Markdown files
- Open all your notifications at once
- Copy a file's content
- Full names of comment authors are shown next to their username
- Followers you know are shown on profile pages
- Badge on user's profile if they follow you
- The news feeds automagically expands when you scroll down
- And much more…

See the website for more info.