* I removed the Update section from the OTP install and added it to updating.md
* I also added a link to the updating.md from the OTP install page
* I added a Questions section to the OTP install, similar to the debian_based_en.md
* Restructured the updating.md a bit
I would very much also like to link to the changelog, but I don't know how to do it because I can't find the page in the docs?
I understand that this change is quite unreadable and hard to review, sorry for forgetting to do atomic commits. This patch does not change too much content wise, it just
* Gets everything from gitlab wiki
* Removes some specific gitlab hacks
* Formats all documentation file names to be in snake case so they look the same way as our code does