[EN] Support '...' and 'nb...' templates

[BoboTiG]

• Wiktionary page: https://en.wiktionary.org/wiki/translation

Wikicode:

{{nb...}}
{{nb...|soccour, soccur, socor, socore, socour, socoure, socowre, socur, socure, soker, sokor, sokore, sokour, sokoure, sokur, soucore, soucour, soukour, succor, succour, succoure, succur, succure, sucour, sucur, suker, sukour|otherforms=1}}

Output:

Nb...
Nb...

Expected:

 […]
&nbsp;[and other forms <i>soccour, soccur, socor, socore, socour, socoure, socowre, socur, socure, soker, sokor, sokore, sokour, sokoure, sokur, soucore, soucour, soukour, succor, succour, succoure, succur, succure, sucour, sucur, suker, sukour</i>]

On the Wiktionary, it would display only [and other forms] with a tooltip containing the rest of the words. But on the Kobo, it will be useless, and so we will print all words.

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Model link, if any: https://en.wiktionary.org/wiki/Template:... and https://en.wiktionary.org/wiki/Template:nb...

[BoboTiG]

I will also improve the rendering by splitting plural/singular. Let's be "avant gardiste" :)