feat: to allow config public for Migration model

Author: andy2046

lib/index.js

@@ -66,8 +66,8 @@ module.exports = function(app, options) {
   var Migration = require('./models/migration')(MigrationModel, options);
   var MigrationMap = require('./models/migration-map')(MigrationMapModel, options);
 
-  app.model(Migration);
-  app.model(MigrationMap);
+  app.model(Migration, options);
+  app.model(MigrationMap, options);
 
   if (!options.enableRest) {
     if (Migration.disableRemoteMethodByName) {