Upload benchmark graphs to ticket range subfolders

Partially addresses issue #22

scripts/wk/graph.py

@@ -200,6 +200,7 @@ def upload_to_imgur(image_path):
 def upload_to_nextcloud(image_path, ticket_number, dev_name):
   """Upload image to Nextcloud server and return folder url as str."""
   image_data = None
+  ticket_range = f'{ticket_number[:3]}00-{ticket_number[:3]}99'
 
   # Bail early
   if not image_path:
@@ -212,7 +213,7 @@ def upload_to_nextcloud(image_path, ticket_number, dev_name):
   # PUT image
   url = (
     f'{BENCHMARK_SERVER["Url"]}/'
-    f'{ticket_number}_iobenchmark'
+    f'{ticket_range}/{ticket_number}_iobenchmark'
     f'_{dev_name}_{time.strftime("%Y-%m-%d_%H%M_%z")}.png'
     )
   requests.put(