Rename mkdir --> mb

docs/sdks/js/example-list-buckets.js

@@ -0,0 +1,22 @@
+'use strict'
+
+var AWS = require('aws-sdk');
+
+var config = {
+  accessKeyId: "YOUR_MINIO_ACCESS_ID",
+  secretAccessKey: "YOUR_MINIO_SECRET_KEY",
+  endpoint: "localhost:9000",
+  region: "",
+  sslEnabled: false
+};
+
+AWS.config.update(config);
+
+var s3 = new AWS.S3();
+s3.listBuckets(function(err, data) {
+  if (err) {
+    console.log(err); // an error occurred
+  } else {
+    console.log(data); // successful response
+  }
+});