[WIP] Function to create a new item

Based on the provided page, it would add each of the langlinks
as connected pages.

Some TODOs:

* Option to add aliases based on redirects
* Check against already existing links upon errors
* Use linktitles if one of the links already exists

Change-Id: I5d497926c447d4c08e022c9b924cf028656378fd
Merge "[WIP] Function to create a new item"