feat: auto-increment sale invoice, receipt, estimate and payment receive.

feat: style sales and purchases forms.

server/src/data/options.js

@@ -103,4 +103,14 @@ export default {
       type: "string",
     },
   ],
+  payment_receives: [
+    {
+      key: 'next_number',
+      type: 'number',
+    },
+    {
+      key: 'number_prefix',
+      type: 'string',
+    },
+  ]
 };