Transform GitLab/GitHub repo directory/file link references into rich snippets
Transform GitLab/GitHub repo directory/file link references into rich snippets with popouts; similar to the issue/PR links
Should transform into:
Same with commits, Input:
Please note that this enhancment should not trample linking text, etc with markdown unlike the current issue/PR links where they just show the rich snippet instead of just linking the text.
Here is [this file](https://github.com/gitterHQ/gitter/blob/master/README.md)
Related issues with auto-linking and referencing: