fix: more identical CRNs for MUS classes (#383)

Author: reybahl

ferry/transform/import_courses.py

@@ -93,8 +93,14 @@ def get_applicable_key(row: pd.Series):
     ("201901", (21500, 22135)),  # PLSC 530
     ("202403", (15444, 15753)),  # MUS 644
     ("202503", (11421, 11423)),  # MUS 644 (again)
+    ("202503", (10009, 10008)),  # MUS 815
+    ("202503", (11604, 11605)),  # MUS 506
     ("202601", (23900, 23902)),  # MUS 506
+    ("202503", (11607, 11606)),  # MUS 606
     ("202601", (23903, 23904)),  # MUS 606
+    ("202503", (16887, 16889)),  # MUS 706
+    ("202601", (22784, 26504)),  # MUS 540
+    ("202601", (22785, 26528)),  # MUS 640
 ]