Remove Jetstack from Testkube

[exu]

Describe the enhancement you'd like to see

Allow configure certificates manually by user in helm charts. Or update docs about how to do it manually.

We should allow to configure certs manually in:

• all ingresses
• operator

It would be also good to not have hard dependency on certmanager, alternatively maybe it could be done by some k8s job that would create required certificates?

DoD:

• Create Job for generating certs
• Create CronJob for refreshing certs

[TheBrunoLopes]

do we know if this solved ? cc: @vsukhin

[vsukhin]

No. it needs to be implemented

[TheBrunoLopes]

How is this important to the user ?

[vsukhin]

It simplifies Testkue installation removing cert-manager dependency