Create a github site and a good index for this repo

[salaboy]

For this repository create an index and expose a site: http://from-monolith-to-k8s.github.io. This is the main entry point for examples and tutorials.
Think about the main structure for the Index, mention the book and match the structure

[salaboy]

First step done: https://salaboy.github.io/from-monolith-to-k8s/