Wikipedia: handle set indice boxes like disambiguation pages

Example article: !wiki [Windows 3](https://en.wikipedia.org/wiki/Windows_3.x)

Old, wrong output:

```
<GLolol> `wiki windows 3
<Atlas> Windows 3.x can refer to any of the following versions of Microsoft Windows: Retrieved from <https://en.wikipedia.org/w/index.php?title=Windows_3.x>
```

Correct output:

```
<GLolol> `wiki windows 3
<Atlas> <https://en.wikipedia.org/w/index.php?title=Windows_3.x> is a disambiguation page. Possible results include: Windows 3.0, Windows 3.1x, and Windows NT 3.x
```