Update content through Mattrbld

.mattrbld/config.json

@@ -140,7 +140,7 @@
     ],
     "dir": "/src/img",
     "maxSize": null,
-    "outputPath": "/",
+    "outputPath": "img",
     "permissions": {
       "everybody": [
         "everything"

.mattrbld/media/chickadee.jpg.json

@@ -1,4 +1,4 @@
 {
-  "alt": null,
+  "alt": "a chickadee on a fence post",
   "title": null
 }