added salary table

app/services/repayment.py

@@ -55,4 +55,10 @@ class RepaymentService:
         """
         Get the latest repayment with a repay date and no verification date.
         """
-        return Repayment.get_latest_loan_with_repay_date()
+        return Repayment.get_latest_loan_with_repay_date()
+    @classmethod
+    def add_repayment(cls, data):
+        """
+        Add a new repayment entry.
+        """
+        return Repayment.add_repayment(data)