list of list of blueprints flattened into single list

src/lib/Controller.js

@@ -16,7 +16,7 @@ class Controller {
   blueprints () {
     return Object.keys(this.fetchers).map(
       sheet => this.fetchers[sheet].blueprints
-    )
+    ).reduce((acc, curr) => acc.concat(curr))
   }
 
   update () {