"Added bank_details model to dataSchema.py and modified service model."

dataSchema.py

@@ -135,9 +135,9 @@ class service(BaseModel):
     to_date: str = Field(None,description="ending date in DD/MM/YYYY format.")
     currency : str =Field(...,description="currency of the rate.")
     fx: str = Field(None,description="foreign exchange.")
-    Number_of_days_hours: int = Field(...,description="number of hours or days for the service.")
-    rate: float = Field(..., description="the rate of the service.")
-    total: float = Field(...,description="total which is the rate* No of days/hours .")
+    Number_of_days_hours: str = Field(...,description="number of hours or days for the service.")
+    rate: str = Field(..., description="the rate of the service.")
+    total: str = Field(...,description="total which is the rate* No of days/hours .")
     
 class bank_details(BaseModel):
     bank_name: str = Field(..., description="Name of the bank.")
@@ -153,12 +153,13 @@ class Noc_Invoice(BaseModel):
     invoice_number: str = Field(..., description="Unique identifier for the invoice.")
     full_name: str = Field(..., description="Full name of the person.")
     invoice_to:str = Field(...,description="email to send the invoice forward to.")    
-    company_name:str = Field(...,description="company name")
+    company_name: str = Field(...,description="company name")
     address: str = Field(..., description="Address of the company.")
     
     services : List[service] = Field(None,description="list of services in the table.")
     sub_total: float = Field(...,description="the sub total.")
     vat: float = Field(None, description="the vat.")
+    Withholding_tax : float = Field(None,description="Withholding Tax.")
     total_due:float= Field(...,description="the total due.")
     
     first_bank : List[bank_details]=Field(...,description="first bank informations.")
@@ -207,7 +208,7 @@ Based on the provided timesheet details, extract the following information:
     - the rate of the service.
     - total which is the rate* No of days/hours .
 - Sub total
-- VAT
+- VAT or Withholding Tax.
 - Total due
 - First bank informations, for each existing bank provide, do not mess up the iban:
     - Name of the bank.