Check if name is a substring of system name instead of exact match

src/main.rs

@@ -407,11 +407,11 @@ impl Router {
 
     fn name_to_systems(&self, name: &str) -> Vec<&System> {
         for sys in &self.tree {
-            if sys.name == name {
+            if sys.name.contains(name) {
                 return self.neighbours(&sys, 0.0).collect();
             }
         }
-        eprintln!("Sytem not found: \"{}\"", name);
+        eprintln!("System not found: \"{}\"", name);
         std::process::exit(1);
     }