Bash history file is now by login

pc_backup/start.py

@@ -148,7 +148,7 @@ class Configuration:
             data_sources=read_data_sources(data_sources_file),
             borgmatic_d_path=config_dir / "borgmatic.d",
             borgmatic_path=config_dir / "borgmatic",
-            history_file=config_dir / ".bash_history",
+            history_file=config_dir / f".bash_history_{login}",
             ssh_auth_sock=Path(ssh_auth_sock) if ssh_auth_sock else None
         )