Add filament spool tracking sync

.env.example

@@ -35,5 +35,26 @@ POLL_INTERVAL_SECONDS=300
 SYNC_ON_STARTUP=false
 HTTP_TIMEOUT_SECONDS=30
 
+# Filament tracking. Keep dry-run enabled until /filament/status and
+# /sync/filament?dry_run=true show the expected actions.
+FILAMENT_TRACKING_ENABLED=false
+FILAMENT_DRY_RUN=true
+FILAMENT_PART_CATEGORY_ID=19
+FILAMENT_STORAGE_LOCATION_ID=85
+FILAMENT_LOADED_LOCATION_ID=72
+# Map Bambuddy printer name prefixes to InvenTree child stock locations.
+FILAMENT_PRINTER_LOCATION_MAP=B1:93,B2:94,B3:95,B4:96
+# Bambuddy spool field that stores the InvenTree StockItem Batch Code.
+FILAMENT_BATCH_SOURCE=tag_uid
+FILAMENT_SYNC_SPOOLS=true
+FILAMENT_SYNC_LOCATIONS=true
+FILAMENT_SYNC_USAGE=true
+FILAMENT_RETURN_UNASSIGNED_TO_STORAGE=false
+FILAMENT_USAGE_LIMIT=200
+FILAMENT_USAGE_SUCCESS_STATUSES=success,completed,complete,done
+FILAMENT_DEFAULT_MATERIAL=PLA
+FILAMENT_DEFAULT_LABEL_WEIGHT=1000
+FILAMENT_DEFAULT_CORE_WEIGHT=250
+
 # Persistent SQLite database inside the container.
 DATA_DIR=/data