Update project_summary.md


## Link to Prototype
NOTE: If your project lives online you can add one or more links here. Make sure you have a stable version of your project running before linking it.

[Example Link](http://www.google.com "Example Link")

## Example Code
NOTE: Wrap your code blocks or any code citation by using ``` like the example below.
```
function test() {
  console.log("Printing a test");
}
```
## Links to External Libraries
 NOTE: You can also use this space to link to external libraries or Github repositories you used on your project.

[Three.js](https://github.com/mrdoob/three.js/ "Three.js")
[Dat.GUI](https://code.google.com/p/dat-gui/ "Dat.GUI")

## Images & Videos
NOTE: For additional images you can either use a relative link to an image on this repo or an absolute link to an externally hosted image.

![Example Image](project_images/cover.jpg?raw=true "Example Image")

https://www.youtube.com/watch?v=30yGOxJJ2PQ