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Create a thumbnail gallery component in React that allows for removing photos from the set. Time permitting, allow sorting via drag and drop.

• photos are displayed as thumbnails in a list or grid view
• clicking a thumbnail opens full size image in a new tab
• each thumbnail has a checkmark for selecting and a trash can icon for deleting
• can select multiple images and click a single button to delete from gallery
• deleting image(s) will prompt the user to confirm

• allow "read only" view to be set via props, which should hide icons and disable sorting
• images can be re-ordered
• super stretch goal: images can be re-ordered by drag and drop

• should use Material-UI components whenever possible
• the component should have 3 props:
  • photos which will be an array of photo objects
  • editable which will be true/false
  • onChange which will be a function
• changes can all be maintained in state and they do not need to persist on refresh, however the changed photo data should be exportable via the onChange callback
• npm run lint should pass
• this is not a test of your CSS or design skills
• component should handle zero to at least twenty photos (do not need to support hundreds or more)

Example usage:

const photos = [
  _.map(_.range(0, 20), function (num) {
    return {
      fileUrl: 'http://loremflickr.com/640/4800?random=' + num
    };
  });
];

// example onChange handler for persisting photo changes
const handleChange = (data) => {
  saveDataToServer(data);
}

ReactDOM.render(
  <PhotoGallery photos={photos} editable={true} onChange={handleChange} />,
  document.getElementById('root')
);