fix: Use ssh key from FileContent in OKDIpxe score instead of hardcoded path

examples/okd_pxe/src/main.rs

@@ -1,7 +1,7 @@
 mod topology;
 
 use crate::topology::{get_inventory, get_topology};
-use harmony::modules::okd::ipxe::OkdIpxeScore;
+use harmony::modules::okd::ipxe::OKDIpxeScore;
 
 #[tokio::main]
 async fn main() {
@@ -12,10 +12,10 @@ async fn main() {
     let cluster_pubkey_filename = "cluster_ssh_key.pub".to_string();
     let harmony_inventory_agent = "harmony_inventory_agent".to_string();
 
-    let ipxe_score = OkdIpxeScore {
+    let ipxe_score = OKDIpxeScore {
         kickstart_filename,
         harmony_inventory_agent,
-        cluster_pubkey_filename,
+        cluster_pubkey,
     };
 
     harmony_cli::run(inventory, topology, vec![Box::new(ipxe_score)], None)