Quick Start PoC to make it to be ready for being merged to 3scale

Quickstart PoC

• The code is part of porta.
• Any potential risk?

Resource links:

• Background info of the quickstarts: https://docs.google.com/document/d/1Ocyz9a68nJlGahvmpgpcTSPFbrUo_FL7XmFQSgtGoqU/edit#heading=h.o7icww1foeym
• Marvel Design: https://marvelapp.com/prototype/2c8i56dg/screen/83430016
• Quick Starts Content: https://docs.google.com/document/d/1eDlU51DOgHmImzmALZl9NF3_wHLTIEyqgDsdbzWwfXg/edit#
• Quick Start PoC: https://github.com/3scale/porta/pull/2859