feat: support multiple backends

Author: matisiekpl

config/crd/bases/data.kubefold.io_proteinconformationpredictions.yaml

@@ -52,6 +52,8 @@ spec:
                   image:
                     type: string
                   imagePullPolicy:
+                    description: PullPolicy describes a policy for if/when to pull
+                      a container image
                     type: string
                 required:
                 - image