Implement "Edit on GitHub" #28
Description
Looking all pages of Nextcloud documentation, is possible to see at the up right side the link "Edit on GitHub":
https://docs.nextcloud.com/server/latest/developer_manual/
Check the repository of Nextcloud documentation to implement this here.
This is a good first issue for someone who wants to make their first contribution. Feel free to ask questions in the comments if you need help!