move migrations dir

config/migrate.js

@@ -24,6 +24,6 @@ module.exports = {
       useNewUrlParser: true, // removes a deprecation warning when connecting
     },
   },
-  migrationsDir: 'resource/migrations',
+  migrationsDir: 'src/migrations/',
   changelogCollectionName: 'migrations'
 };

resource/migrations/20180926134048-make-email-unique.js → src/migrations/20180926134048-make-email-unique.js

@@ -2,6 +2,7 @@
 
 require('module-alias/register');
 const logger = require('@alias/logger')('growi:migrate:make-email-unique');
+
 const mongoose = require('mongoose');
 const config = require('@root/config/migrate');