Size and color section option when I download the icon
**There should be popup appear when I download the icon.**

1. Selecting file format - png and svg
2. Size selection - 16px, 24px, 32px, 64px, 128px
3. Color picker - default color pallet with hex code option
4. Add to collection (Future request)

**Inspiration**

![image](https://user-images.githubusercontent.com/49694573/61576616-bf070e00-aaf9-11e9-838f-43da31d3e0f6.png)

