Changed file format to json in crossref yml file
Changed file format to json in crossref yml file

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