Bottlerocket OS Docker Compose Variant

[rajivr]

I've been working on a Bottlerocket OS Docker Compose variant.

You can find the GitHub repository here. I've shared my reasoning for creating the variant in the README.md.

Besides packaging Docker Compose, the variant provides settings API to manage Docker Compose applications.

I would really appreciate if you could please take a look and let me know your feedback.

Also if you feel this might be interesting to other AWS customers, and if you could provide an official AMI, I'll be very happy to see this work merged upstream.