wip: Implement basic K8sAnywhere setup with K3d support

- Added initial K8sAnywhere topology and related modules.
- Implemented a basic K3d installation score for cluster bootstrapping.
- Introduced LocalhostTopology for local development and testing.
- Added necessary module structure and dependencies.
- Implemented user prompt for K3d installation confirmation.
- Added basic error handling and logging.
- Refactored existing code to improve modularity and maintainability.
- Included necessary tests to ensure functionality.

harmony/src/domain/topology/mod.rs

@@ -2,6 +2,8 @@ mod ha_cluster;
 mod host_binding;
 mod http;
 mod k8s_anywhere;
+mod localhost;
+pub use localhost::*;
 pub use k8s_anywhere::*;
 mod load_balancer;
 pub mod k8s;