adding comment

Author: kukkok3

src/jormungandr/testing/jormungandr-automation/src/jormungandr/starter/params/builder.rs

@@ -45,6 +45,12 @@ impl Default for JormungandrBootstrapper {
 }
 
 impl JormungandrBootstrapper {
+
+    //This function is meant to be used instead of JormungandrBootstrapper::default().with_node_config(node_config)
+    //This is because the Default trait for JormungandrBootstrapper instanciates a NodeConfig struct that will be overwritten
+    //by the NodeConfig passed by the .with_node_config() function. NodeConfig calls the function get_available_port()
+    //that makes operations on an Atomic variable and "flags" some ports as being used, both operations that would
+    //be better to not duplicate for performance and debbugging reasons.
     pub fn default_with_config(node_config: NodeConfig) -> Self {
         Self {
             node_config: Box::new(NodeConfigManager {