Add count to specify how often a mapping is used

src/toldg/models.py

@@ -40,8 +40,6 @@ class Config(BaseModel):
         categories (List[str]):  A list of account2s. An account has to be defined here
                                  before it can be used in a mapping. Otherwise, ledger will complain.
         commodities (List[str]): A list of commodities relevant to the data processing.
-        find_duplicates (bool):  Flag to check and abort on duplicated transactions. Not
-                                 really useful.
     """
 
     class Config:
@@ -52,7 +50,6 @@ class Config(BaseModel):
     output_file: Path = Path("output.ldg")
     csv_configs: List[CsvConfig]
     categories: List[str]
-    find_duplicates: bool = False
 
 
 class Transaction(BaseModel):
@@ -81,5 +78,6 @@ class Mapping(BaseModel):
         extra = "forbid"
 
     account2: str
+    count: int = 1
     narration: Optional[str] = None
     payee: Optional[str] = None