- Add new Ansible role `wireguard` to set up WireGuard VPN server on
DB node with key generation, firewalld rules, and client peer config.
- Introduce `pg-proxy` and `mongo-proxy` socat containers in db_stack
to expose PostgreSQL (15432) and MongoDB (17017) on host ports,
restricted to WireGuard subnet via firewalld.
- Update test environment group_vars with WireGuard client entry for
`murat-inspiron-15-3525`.
- Modify act_runner config: set `docker_host` to unix socket, remove
explicit socket mount from options, and change runner label image to
`catthehacker/ubuntu:act-22.04`.
- Open UDP port 51820 in Hetzner firewall for WireGuard inbound.
- Adjust test-db-post-stack playbook to include wireguard role (tagged).
- Update roadmap document with APISIX init step order.
* Introduces an Ansible role for installing and registering `act_runner` for Gitea Actions.
* Automates PostgreSQL and MongoDB deployment on Docker Swarm in the test environment, leveraging Docker named volumes for data persistence.
* Translates core documentation, including `README.md` and `setup/04-test-db-docker-kurulum.md`, to Turkish.
* Adds comprehensive documentation for firewall architecture (`facts/firewall.md`) and Docker Swarm node recovery (`facts/swarm-node-recovery.md`).
* Enhances security hardening by ensuring `fail2ban` is enabled and streamlining admin SSH key management via Ansible.
* Updates Ansible vault structure to support new secret variables and adds `.vault_pass` to `.gitignore`.
