export remixProject reducer function

src/index.js

@@ -4,6 +4,7 @@ import GuiReducer, {guiInitialState, guiMiddleware, initFullScreen, initPlayer}
 import LocalesReducer, {localesInitialState, initLocale} from './reducers/locales';
 import {ScratchPaintReducer} from 'scratch-paint';
 import {setFullScreen, setPlayer} from './reducers/mode';
+import {remixProject} from './reducers/project-state';
 import {setAppElement} from 'react-modal';
 
 const guiReducers = {
@@ -23,6 +24,7 @@ export {
     initFullScreen,
     initLocale,
     localesInitialState,
+    remixProject,
     setFullScreen,
     setPlayer
 };