code: public FsSettings read(String jobname) throws IOException {
          try {
              // We try the yml first
              return readAsYaml(jobname);
          } catch (IOException e) {
              // Then we try json
              return readAsJson(jobname);
          }
      }
docs: We read settings in ~/.fscrawler/{job_name}/_settings.[json|yml]
  @param jobname is the job_name
  @return Settings settings
  @throws IOException in case of error while reading