refactor: consolidate all roles into ansible/roles/ and update ansible.cfg

- Move all roles from playbooks/roles/ to roles/
- Update roles_path in ansible.cfg
- Add cast user to common role
- Create standalone podman role
- Add semaphore role with Podman + Quadlet support

ansible/roles/fastpass-kubernetes/tasks/main.yml

@@ -0,0 +1,16 @@
+---
+# FastPass Kubernetes Cluster Preparation for Fedora
+# This role prepares all nodes for Kubernetes installation
+
+- name: Include preflight checks
+  ansible.builtin.include_tasks: preflight.yml
+  when: preflight_checks | default(true)
+
+- name: Include system preparation
+  ansible.builtin.include_tasks: system-prep.yml
+
+- name: Include container runtime setup
+  ansible.builtin.include_tasks: container-runtime.yml
+
+- name: Include Kubernetes installation
+  ansible.builtin.include_tasks: kubernetes-install.yml