feat: introduce Maestro::initialize function that creates the maestro instance and ensure_ready the topology as well. Also refactor all relevant examples to use this new initialize function

examples/cli/src/main.rs

@@ -2,14 +2,14 @@ use harmony::{
     inventory::Inventory,
     maestro::Maestro,
     modules::dummy::{ErrorScore, PanicScore, SuccessScore},
-    topology::HAClusterTopology,
+    topology::LocalhostTopology,
 };
 
 #[tokio::main]
 async fn main() {
     let inventory = Inventory::autoload();
-    let topology = HAClusterTopology::autoload();
-    let mut maestro = Maestro::new(inventory, topology);
+    let topology = LocalhostTopology::new();
+    let mut maestro = Maestro::initialize(inventory, topology).await.unwrap();
 
     maestro.register_all(vec![
         Box::new(SuccessScore {}),