feat: generate order number (#69)

Добавил генерацию номера заказа при создании

Co-authored-by: RustamRu <kagapov.rustam@gmail.com>
Reviewed-on: #69
Reviewed-by: Primakov Alexandr Alexandrovich <primakovpro@gmail.com>

server/routers/dry-wash/model/order.number.js

@@ -0,0 +1,14 @@
+const { Schema, model } = require('mongoose')
+
+const schema = new Schema({
+  _id: {
+      type: String,
+      required: true,
+  },
+  sequenceValue: {
+      type: Number,
+      default: 0
+  }
+})
+
+exports.OrderNumberModel = model('dry-wash-order-number', schema)