added paragraph "How to delete a user"
added paragraph "How to delete a user"

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