Kafka Node Pools (#77)

* First real version of the node pool proposal

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Review comments PP and few more minor changes

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Review comments PP II

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Review comments TB

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Resolve the open points

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Align annotation style with our other annotations (kebab case)

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Review comments PP III

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Review comments SB

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Clarify name of the virtual node pool and add Kafka CR status additions

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Apply suggestions from code review

Co-authored-by: PaulRMellor <47596553+PaulRMellor@users.noreply.github.com>
Signed-off-by: Jakub Scholz <www@scholzj.com>

* Review comments PM

Signed-off-by: Jakub Scholz <www@scholzj.com>

* Review comments TB

Signed-off-by: Jakub Scholz <www@scholzj.com>

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Signed-off-by: Jakub Scholz <www@scholzj.com>
Co-authored-by: PaulRMellor <47596553+PaulRMellor@users.noreply.github.com>

Author: scholzj