update documentation
update documentation

felliott/scrapi,CenterForOpenScience/scrapi,fabianvf/scrapi,fabianvf/scrapi,felliott/scrapi,alexgarciac/scrapi,mehanig/scrapi,jeffreyliu3230/scrapi,CenterForOpenScience/scrapi,erinspace/scrapi,mehanig/scrapi,erinspace/scrapi