Implement Ansible roles for Rocky Linux Testing Framework

- Added `bootstrap_sparrowdo` role for bootstrapping Sparrowdo on a VM.
- Introduced `cleanup_vm` role for cleaning up VMs and disk images.
- Created `download_image` role to download and cache QCOW2 images.
- Developed `golden_image` role for creating and customizing golden images.
- Implemented `provision_vm` role for provisioning VMs as linked clones.
- Added `run_test` role for executing tests with Sparrowdo.
- Created playbooks for building golden images, running single tests, and running test suites.
- Enhanced documentation with usage examples, configuration details, and troubleshooting tips.
- Added support for multiple cloud providers (AWS, Azure) in the test execution workflow.

Signed-off-by: Stephen Simpson <ssimpson89@users.noreply.github.com>

ansible/inventory/group_vars/libvirt.yml

@@ -0,0 +1,21 @@
+---
+# Libvirt provider configuration
+
+provider: libvirt
+
+# Image directories
+images_dir: "/var/lib/libvirt/images"
+base_images_dir: "{{ images_dir }}/base"
+golden_images_dir: "{{ images_dir }}/golden"
+golden_image_path: "{{ golden_images_dir }}/rocky-golden.qcow2"
+
+# Download settings
+force_download: false
+download_timeout: 1800
+
+# Golden image settings
+root_password: "{{ default_image_password }}"
+
+# VM settings
+vm_memory: 4096
+vm_vcpus: 4