Adding the base for the currency system

currency/models/CurrencyShop.js

@@ -0,0 +1,14 @@
+module.exports = (sequelize, DataTypes) => {
+	return sequelize.define('currency_shop', {
+		name: {
+			type: DataTypes.STRING,
+			unique: true,
+		},
+		cost: {
+			type: DataTypes.INTEGER,
+			allowNull: false,
+		},
+	}, {
+		timestamps: false,
+	});
+};