#82 added presets to doc
#82 added presets to doc

closes #82

RafalFilipek/fela,RafalFilipek/fela,risetechnologies/fela,derek-duncan/fela,RafalFilipek/fela,risetechnologies/fela,as-com/alef,derek-duncan/fela,RafalFilipek/fela,RafalFilipek/fela,rofrischmann/fela,rofrischmann/fela,rofrischmann/fela,derek-duncan/fela,as-com/alef,derek-duncan/fela,derek-duncan/fela,RafalFilipek/fela,risetechnologies/fela,as-com/alef,derek-duncan/fela