how to set Paragraph textAlignment center ?

[agang235]

I want set textAlignment center

对比.docx

[troosan]

I do not think this is implemented.

http://www.datypic.com/sc/ooxml/e-w_textAlignment-1.html

[agang235]

@troosan @RomanSyroeshko
I hope PHPWORD can do this, and it's very useful in math,thank you!

[troosan]

implemented in develop branch