Add Greek letters to Montserrat font

I want someone to design and the missing Greek letters from Google Montserrat font. Basic greek and only in webfont. Both italic regular and bold. Montserrat is an easy font, it would be easy to copy from other font and do only the modification to letters make it look like Montserrat.

https://fonts.google.com/specimen/Montserrat?query=mont&selection.family=Montserrat

** Montserrat is a free font.