nbt support WIP and proper container API

src/main/java/carpet/script/value/ContainerValueInterface.java

@@ -0,0 +1,13 @@
+package carpet.script.value;
+
+public interface ContainerValueInterface
+{
+    public Value put(Value where, Value value);
+    default Value put(Value where, Value value, Value conditions)
+    {
+        return put(where, value);
+    }
+    public Value get(Value where);
+    public boolean has(Value where);
+    public Value remove(Value where);
+}