Make NSIS installer handle the mimetypes/file_types cpecification
mimetypes
and file_types
variables are consumed AppxPackager to make the apps automatically register their compatibility with defined types.
The NSIS installer code can be modified to do the same: http://voidknot.blogspot.com/2013/12/creating-file-associations-in-nsis.html
Edited by Dawid Wrobel