add parsing of --link-* cli args

cli.js

@@ -35,6 +35,7 @@ var argv = require('optimist')
   .describe('x', 'output JSON Schema files including description and validated examples in the _new folder at output directory')
   .alias('n', 'no-readme')
   .describe('n', 'Do not generate a README.md file in the output directory')
+  .describe('link-*', 'Add this file as a link the explain the * attribute, e.g. --link-abstract=abstract.md')
   .check(function(args) {
     if (!fs.existsSync(args.input)) {
       throw 'Input file "' + args.input + '" does not exist!';
@@ -45,6 +46,9 @@ var argv = require('optimist')
   })
   .argv;
 
+const docs = _.fromPairs(_.toPairs(argv).filter(([ key, value ]) => { return key.startsWith('link-'); }).map(([ key, value ]) => { return [ key.substr(5), value ];}));
+console.log(docs);
+
 var ajv = new Ajv({ allErrors: true, messages:true });
 ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-04.json'));
 var schemaPathMap = {};