minor: ruff formatter

All changes are either:
- Correcting tabs
- Adding/removing line breaks
- Adding trailing commas

src/service/models.py

@@ -5,6 +5,7 @@ Models:
  - Service:
   - id[PK], name[U], api_key[U]
 """
+
 from sqlalchemy import Column, Integer, String
 
 from src.database import Base