To add an additional page (also translated pages) just call the page by editing the address in your browser. You'll then see a page telling you that this page currently doesn't exist and you can click on "create" at the top menu. There you are...
Pages Currently Developed
These pages are currently under development and do not show up on the official documentations
(in progress) 2013 - Terminology rewrite sprint
Have a look in the Forum  for more informations.
- Terminology step of original (English) doc (done).
- Screenshot Update step (in progress)
- Approve terminology change step on reference page (english) (done)
- Signal translation pages outdated (done)
- Banner with the instructions to all translation pages not updated with new terminology (done)
- Some translation pages have to be renamed. For example "Params Panel/ru" have to become "Parameters Panel/ru". Only admins can do that. (todo)
- Find a way to work on translation pages outdated (todo)
- Update the translations step (todo)