Add some logging to determine what is running

src/main.rs

@@ -18,7 +18,7 @@ use crate::system::model::DLASystem;
 
 use clap::Parser;
 
-#[derive(Parser)]
+#[derive(Parser, Debug)]
 struct Cli {
     seed: u64,
     max_particles: usize,
@@ -29,6 +29,8 @@ struct Cli {
 fn main() {
     let cli = Cli::parse();
 
+    println!("Running: {:?}", cli);
+
     let mut sys = DLASystem::<ThreadRng, VectorStorage, LocalRandomWalker>::new(
         ThreadRng::default(),
         cli.max_particles,