Updated main README.md (#2323)
Updated main README.md (#2323)

* Update README.md

* Update README.md

Updated the how to start referencing the Kura installers and the Docker containers.

nicolatimeus/kura,markoer/kura,nicolatimeus/kura,ctron/kura,ctron/kura,nicolatimeus/kura,nicolatimeus/kura,ctron/kura,markoer/kura,ctron/kura,ctron/kura,nicolatimeus/kura,nicolatimeus/kura,markoer/kura,ctron/kura,markoer/kura,markoer/kura,markoer/kura