feat: implement helm chart generation and publishing

- Added functionality to generate a Helm chart for the application.
- Implemented chart packaging and pushing to an OCI registry.
- Utilized `helm package` and `helm push` commands.
- Included configurable registry URL and project name.
- Added tests to verify chart generation and packaging.
- Improved error handling and logging.

examples/rust/src/main.rs

@@ -3,7 +3,9 @@ use std::{path::PathBuf, sync::Arc};
 use harmony::{
     inventory::Inventory,
     maestro::Maestro,
-    modules::application::{RustWebapp, RustWebappScore, features::ContinuousDelivery},
+    modules::application::{
+        RustWebFramework, RustWebapp, RustWebappScore, features::ContinuousDelivery,
+    },
     topology::{K8sAnywhereTopology, Url},
 };
 
@@ -13,6 +15,7 @@ async fn main() {
     let application = RustWebapp {
         name: "harmony-example-rust-webapp".to_string(),
         project_root: PathBuf::from("./examples/rust/webapp"),
+        framework: Some(RustWebFramework::Leptos),
     };
     let app = RustWebappScore {
         name: "Example Rust Webapp".to_string(),