readme deprecation to flamingock

[dieppa]

• first draft
• RC

[mathieu-clement]

@dieppa Getting 404 on https://github.com/flamingock/flamingock-java. Is it private?

[dieppa]

Hi @mathieu-clement,

First of all, thanks a lot for your interest 😃
Flamingock is still private for now, but we’re finalising a few minor details and plan to make it public in the coming weeks. I’ll make sure to keep you posted!