Added pixel texture element

include/bindings/definitions.h

@@ -18,6 +18,7 @@ inline struct RubyBindings {
   Binding ElementText;
   Binding ElementRect;
   Binding ElementImage;
+  Binding ElementScript;
   Binding Scene;
 } bindings;
 
@@ -43,6 +44,7 @@ void register_animation();
 void register_element_text();
 void register_element_rect();
 void register_element_image();
+void register_element_script();
 void register_scene();
 void register_app();
 
@@ -55,6 +57,7 @@ inline void setup() {
   register_element_text();
   register_element_rect();
   register_element_image();
+  register_element_script();
   register_scene();
   register_app();
 }