feat(Countries): Adding countries endpoint

lib/Models/budgets.model.js

@@ -0,0 +1,33 @@
+const mongoose = require('mongoose');
+const { Schema } = mongoose;
+
+const schema = new Schema({
+    company: { type: Schema.Types.ObjectId, ref: 'companies', required: true},
+    client: { type: String, required: true },
+    material: { type: String },
+    origin: { type: String },
+    destination: { type: String },
+    truck_type: { type: String },
+    num_tons: { type: Number },
+    price_per_ton: { type: Number },
+    tonnage: { type: String },
+    pickup_distance: { type: Number },
+    delivery_distance: { type: Number },
+    warehouse_distance: { type: Number },
+    total_km_travel: { type: Number },
+    cost_per_liter: { type: Number },
+    fuel_price_per_liter: { type: Number },
+    other_fuel_expenses: { type: Number },
+    total_fuel_consumed: { type: Number },
+    total_cost_fuel: { type: Number },
+    driver_salary: { type: Number },
+    accomadation_allowance: { type: Number },
+    other_administrative_expenses: { type: Number },
+    total_before_tax: { type: Number },
+    total_utility_per_km: { type: Number },
+    total_profit: { type: Number },
+    profit_percentage: { type: Number },
+    total_administrative_expenses: { type: Number }
+});
+
+module.exports = mongoose.model( "budgets", schema );