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/vars/test-definitions.yml

@@ -0,0 +1,23 @@
+---
+default_test_branch: "main"        # Default git branch
+default_test_timeout: 300          # Default timeout in seconds (15 min)
+default_test_filter: ".*"          # Regex filter (matches all tests)
+
+# Test execution behavior
+retry_failed_tests: false
+continue_on_failure: true          # Keep running tests even if one fails
+
+# ===========================================
+# TEST DEFINITIONS
+# ===========================================
+# Required fields:
+#   - name: Unique test identifier
+#   - repo_url: Git repository URL
+#
+# Optional fields (uses defaults above if omitted):
+#   - branch: Git branch (default: main)
+#   - timeout: Test timeout in seconds (default: 300)
+
+tests:
+  - name: "Sparky_Knot"
+    repo_url: "https://git.resf.org/testing/Sparky_Knot.git"