Beaujeu-ify troch sunbro

Changes all occurences of `[Bb]illard` to `[Bb]eau [Jj]eu`

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If you've ever wondered what having the word `billard` changed to `beau jeu`, then this is for you !

Wurdearre: 0 troch 0 beoardielers

Utjefte-opmerkingen foar 0.2

* Now changes the word `BILLARD` to `BEAUJEU`
* Also changes the tab's title if need be