Create universidade-do-porto-faculdade-de-engenharia-chicago-pt.csl (#…

…5742)

A portuguese translation of our style  universidade-do-porto-faculdade-de-engenharia-chicago.csl
This style is also improving the entries of Patents, web pages, and paper conference regarding portuguese language.

In citation with 3 authors was: (Khoramishad, Alizadeh, e Silva 2018). We removed the comma before the and.
So now it is (Khoramishad, Alizadeh e Silva 2018)