message: add docs string
diff: @@ -90,6 +90,7 @@ export type ScmLocationAnalyzer = {
  supports(url: string): boolean;
  /** This function can return an array of already existing entities */
  analyze(options: AnalyzeOptions): Promise<{
  + /** Existing entities in the analyzed location */
  existing: AnalyzeLocationExistingEntity[];
  }>;
  };
  