feat(aws/router): allow more complex routing

[NamesMT]

Router's routes is now able to take an object for finer control/complex usage

Types:

Use example:

Update 04/05: more advanced use example
Assets is my custom component to build a static frontend app into a bucket.

Tested locally, working dev, HMR, deploy
Tested to be backward-compatible

The committed PR contains a commentted bit, feel free to remove it.

[jayair]

Interesting, let me ask Frank to take a look