This commit brings the `README.md` and Ansible setup guides (`03-test-ansible-bootstrap.md`, `07-prod-ansible-bootstrap.md`) in sync with the current state of the Ansible automation.
Key updates include:
- Acknowledging the presence of in-repository Ansible playbooks and shared roles.
- Correcting Ansible inventory output paths and Terraform output commands.
- Detailing the new `group_vars/all/{vars.yml,vault.yml}` structure.
- Updating Ansible prerequisites to include `passlib` for password hashing.
- Adding documentation for `iklim` system user creation, keyboard layout, and refined firewall rules.
- Removing outdated "Known Gaps" related to missing Ansible code.
This new README serves as the central documentation for the `iklim.co` Hetzner Cloud environment infrastructure repository. It outlines the project's purpose, scope, and structure, alongside detailed setup guides, security baselines, environment topologies, and usage instructions for Terraform.
