added example pdf for nif-converter example
added example pdf for nif-converter example

freme-project/freme-project.github.io,freme-project/Documentation,freme-project/freme-project.github.io,freme-project/freme-project.github.io,freme-project/Documentation,freme-project/Documentation,freme-project/Documentation,freme-project/freme-project.github.io,freme-project/Documentation