Include run_name in training logs for better run traceability (#101)

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Co-authored-by: ClemensSchwarke <clemens.schwarke@gmail.com>

Author: ShaoshuSu

CONTRIBUTORS.md

@@ -37,5 +37,6 @@ Please keep the lists sorted alphabetically.
 * Matthijs van der Boon
 * Özhan Özen
 * Pascal Roth
+* Shaoshu Su
 * Zhang Chong
 * Ziqi Fan

rsl_rl/utils/logger.py

@@ -182,6 +182,10 @@ def log(
             log_string = f"""{"#" * width}\n"""
             log_string += f"""\033[1m{f" Learning iteration {it}/{total_it} ".center(width)}\033[0m \n\n"""
 
+            # Print run name if provided
+            run_name = self.cfg.get("run_name")
+            log_string += f"""{"Run name:":>{pad}} {run_name}\n""" if run_name else ""
+
             # Print performance
             log_string += (
                 f"""{"Total steps:":>{pad}} {self.tot_timesteps} \n"""