improve example config

extract_config.example.yaml

@@ -1,14 +1,14 @@
 owner:
-  handle: brutsalvadi
+  handle: yourname
-  display_name: Bru
+  display_name: Your Name
 
 input:
   dirs:
-    - ~/src/cycling_data_davide/activities
+    - ~/Activities             # add as many dirs as needed; scanned recursively
-    - ~/src/cycling_data_davide/Karoo_2026
+  # Optional — only needed for Strava bulk exports.
-    - ~/src/cycling_data_davide/Karoo
+  # Provides activity titles, descriptions, and authoritative sport type.
-  # Strava bulk export metadata — provides names, descriptions, gear
+  # If you only have device files (Garmin, Wahoo, Karoo, etc.) you can delete this line.
-  metadata_csv: ~/src/cycling_data_davide/activities.csv
+  # metadata_csv: ~/strava_export/activities.csv
 
 output:
   dir: ~/bincio_data