Malek Hakim

Consider add image optimization for the Image and ImageBackground component

4

**Is your feature request related to a problem? Please describe.** We would like to bake some performance optimizations to the `Image` component: **Describe the solution you'd like** - [ ]...

New Component: Accordion

6

An example from Rental Cars Checkout page: 

Support Responsive boxShadows in Card component

5

Update `boxShadowSize` to take an array in addition to a string, for responsive views. We would like to change the shadow in different screen size or remove them in some.

Following up on the #216 discussion, it appears to be valuable to add support for Time To Consistently Interactive as _maybe_ defined [here](https://docs.google.com/document/d/1GGiI9-7KeY3TPqS3YT271upUVimo-XiL5mwWorDUD4c/preview#heading=h.ixm847e4zt7e), and implemented [here](https://github.com/GoogleChromeLabs/tti-polyfill).

It changes mongo.db.create to mongo.create because of deprecation.