combine two writeFile calles to one writeFiles step. Fixes 104

Author: bph

blueprints/wpcli-post-with-image/blueprint.json

@@ -7,30 +7,30 @@
 		"categories": ["Content", "wpcli"]
 	},
 	"landingPage": "/?p=4",
+	"login": true,
 	"steps": [
 		{
-			"step": "login"
-		},
-		{
-			"step": "writeFile",
-			"path": "/wordpress/wp-content/postcontent.md",
-			"data": {
-				"resource": "url",
-				"url": "https://raw.githubusercontent.com/wordpress/blueprints/trunk/blueprints/wpcli-post-with-image/postcontent.md"
+			"step": "writeFiles",
+			"writeToPath": "/wordpress/wp-content",
+			"filesTree": {
+			  "resource": "literal:directory",
+			  "name": "wp-content",
+			  "files": {
+				"postcontent.md": {
+				  "resource": "url",
+				  "url": "https://raw.githubusercontent.com/wordpress/blueprints/trunk/blueprints/wpcli-post-with-image/postcontent.md"
+				},
+				"Select-storage-method.png": {
+				  "resource": "url",
+				  "url": "https://raw.githubusercontent.com/wordpress/blueprints/trunk/blueprints/wpcli-post-with-image/Select-storage-method.png"
+				}
+			  }
 			}
-		},
+		   },
 		{
 			"step": "wp-cli",
 			"command": "wp post create --post_title='Welcome to Playground' --post_status='published' /wordpress/wp-content/postcontent.md"
 		},
-		{
-			"step": "writeFile",
-			"path": "/wordpress/wp-content/Select-storage-method.png",
-			"data": {
-				"resource": "url",
-				"url": "https://raw.githubusercontent.com/wordpress/blueprints/trunk/blueprints/wpcli-post-with-image/Select-storage-method.png"
-			}
-		},
 		{
 			"step": "wp-cli",
 			"command": "wp media import wordpress/wp-content/Select-storage-method.png --post_id=4 --title='Select your storage method' --featured_image"