Feature: Support "parameters" field in Subscription CRD

[midhank]

Feature: Support "parameters" field in Subscription CRD is completed which allows passing parameters but the building blocks helm charts does not have parameter to support this

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[sk31337]

@midhank thanks a lot for your contribution. Please add the helm-docs the new field at the values.yaml and an additional example in the values.ci.yaml.

After that, I will merge it.

[midhank]

@midhank thanks a lot for your contribution. Please add the helm-docs the new field at the values.yaml and an additional example in the values.ci.yaml.

After that, I will merge it.

Please review, I have updated based on review comments