013 add price multiplier

app/config.py

@@ -1,5 +1,6 @@
 """Application configuration split by architecture component."""
 
+from decimal import Decimal
 from functools import lru_cache
 from pathlib import Path
 import sys
@@ -29,6 +30,7 @@ class ServiceConfig(BaseModel):
 
 class BusinessLogicConfig(BaseModel):
     weight_round_scale: int = 2
+    provider_price_multiplier: Decimal = Field(..., gt=0)
 
 
 class RepositoryConfig(BaseModel):