Merge pull request 'node jsonファイルのサンプルを追加' (#10) from add-example-of-node-json into master

Reviewed-on: #10

.gitignore

@@ -1,4 +1,4 @@
 vendor
 *.swp
 .bundle/
-nodes/
+nodes/1*.json

nodes/example.json

@@ -0,0 +1,5 @@
+{
+  "recipes": [
+    "./roles/base.rb"
+  ]
+}