How to install pluggins in roundcube?

[mvalenzuela]

Hi my friends.

I am from Chile and use vestacp, I love it. Now I need add filter pluggin in roudcube to can forward emails, but I don't now. So I need your support, please.

Thank you very much.

[skurudo]

There is little manual from roundcube devs
http://trac.roundcube.net/wiki/Doc_Plugins