air-gapped Offline deployment guide

[busyboy77]

Bugs should be filed for issues encountered whilst operating logging-operator.
You should first attempt to resolve your issues through the community support
channels, e.g. Slack, in order to rule out individual configuration errors. #logging-operator
Please provide as much detail as possible.

Describe the bug:
There is no information for air-gapped env deployment model

Expected behaviour:
at least offline or air gapped env deployment should be documented to include

all the necessary images + version
OCI is okay to clone offline. no issue

Steps to reproduce the bug:
try to deploy the logging operator offline or air gapped envs.

Additional context:
Add any other context about the problem here.

Environment details:

• Kubernetes version (e.g. v1.15.2):
• Cloud-provider/provisioner (e.g. AKS, GKE, EKS, PKE etc):
• logging-operator version (e.g. 2.1.1):
• Install method (e.g. helm or static manifests):
• Logs from the misbehaving component (and any other relevant logs):
• Resource definition (possibly in YAML format) that caused the issue, without sensitive data:

/kind bug

[pepov]

Hey! The images are documented here: https://kube-logging.dev/docs/image-versions/

Do you need more information than that? Feel free to join the project discord channel: https://discord.gg/sXFdDKEKK8