Sprite is now a component we can place on anything to render it.

components.hpp

@@ -77,6 +77,10 @@ namespace components {
     void configure_events(std::vector<std::string> &event_names);
   };
 
+  struct Sprite {
+    string name;
+  };
+
   void configure(ComponentMap& component_map);
 
   // these need to be here if you're using components::convert outside of components.cpp