Add python file headers

adventure/seafloor/sunken_ship/stateroom/desk.py

@@ -1,4 +1,8 @@
-# This is a Python program. You can run it by typing "python desk.py"
+# desk.py
+# --------
+# By MWC Contributors
+# 
+# This is a Python program. You can run it by typing `python desk.py`
 
 import sys
 from pathlib import Path