feat: rewrite repositories with base entity repository class.

feat: sales and purchases status.
feat: sales and purchases auto-increment number.
fix: settings find query with extra columns.

server/src/loaders/tenantModels.ts

@@ -10,7 +10,8 @@ import Bill from 'models/Bill';
 import BillPayment from 'models/BillPayment';
 import BillPaymentEntry from 'models/BillPaymentEntry';
 import Currency from 'models/Currency';
-import Contact from 'models/Contact';
+import Vendor from 'models/Vendor';
+import Customer from 'models/Customer';
 import ExchangeRate from 'models/ExchangeRate';
 import Expense from 'models/Expense';
 import ExpenseCategory from 'models/ExpenseCategory';
@@ -66,7 +67,8 @@ export default (knex) => {
     InventoryCostLotTracker,
     Media,
     MediaLink,
-    Contact,
+    Vendor,
+    Customer,
   };
   return mapValues(models, (model) => model.bindKnex(knex));
 }