Enhance CLAUDE.md with comprehensive repository documentation

[dustman9000]

Added detailed information about build commands, directory structure, configuration patterns, deployment targeting, and development workflows. Includes real-world examples, complete config.yaml structure with all options, common selector keys, and clarifications about generated files and container-based builds.

[openshift-ci[bot]]

@dustman9000: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dustman9000

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• ~~OWNERS~~ [dustman9000]

Approvers can indicate their approval by writing /approve in a comment Approvers can cancel approval by writing /approve cancel in a comment