Add topology spread constraints to control

[dschunack]

Describe the feature you'd like to have.

It's not possible to spread pod over different defined zones with topologySpreadConstraints at the moment.

What is the value to the end user? (why is it a priority?)

Possibility to spread Pods over Zones or other topology labels.

How will we know we have a good solution? (acceptance criteria)
PR already created with a solution and follows the standard kubernetes approche in regrads of topologySpreadConstraints.

Additional context

PR already created with a solution.

[dschunack]

@JohnStrunk Is it possible to release a new version. Without we can't use the new features.

helm search repo backube/snapscheduler
NAME                 	CHART VERSION	APP VERSION	DESCRIPTION                                       
backube/snapscheduler	3.0.0        	3.0.0      	An operator to take scheduled snapshots of Kube...

[JohnStrunk]

I'll try to get one out in the next few days.

[JohnStrunk]

Fixed via #195, released in v3.1.0