Add map node and refactor defaults

src/app/app.ts

@@ -7,6 +7,7 @@ import { TreeView } from '../view/TreeView'
 import { SourceView } from '../view/SourceView'
 import { ListNode } from '../nodes/ListNode'
 import { BooleanNode } from '../nodes/BooleanNode'
+import { MapNode } from '../nodes/MapNode'
 
 const EntityCollection = ['sheep', 'pig']
 
@@ -17,7 +18,14 @@ const predicateTree = new RootNode('predicate', {
   predicate: new ObjectNode({
     type: new EnumNode(EntityCollection),
     nbt: new StringNode(),
-    test: new BooleanNode()
+    test: new BooleanNode(),
+    recipes: new MapNode(
+      new StringNode(),
+      new ObjectNode({
+        duration: new StringNode(),
+        flag: new BooleanNode()
+      })
+    )
   }),
   effects: new ListNode(
     new ObjectNode({