Made it so, when using the batch code generator, it sends e-mails to everyone

src/email/index.ts

@@ -0,0 +1,42 @@
+import nodemailer from "nodemailer";
+import hbs from "nodemailer-express-handlebars";
+import path from "path";
+
+interface MailOptions {
+	from: string;
+	to: string[];
+	subject: string;
+	template: string;
+	context: object;
+}
+
+export function prepareMailer(): nodemailer.Transporter {
+	const transport = nodemailer.createTransport({
+		host: process.env.SMTP_HOST,
+		auth: {
+			user: process.env.MAIL_USER!,
+			pass: process.env.MAIL_PASS!,
+		},
+	});
+
+	const handlebarOptions: hbs.NodemailerExpressHandlebarsOptions = {
+		viewEngine: {
+			partialsDir: path.resolve("src/email/templates"),
+			defaultLayout: "src/email/templates/main",
+		},
+		viewPath: path.resolve("src/email/templates"),
+	};
+
+	transport.use("compile", hbs(handlebarOptions));
+	return transport;
+}
+
+export function prepareMailOptions(context: object, to: string[], subject: string, template: string): MailOptions {
+	return {
+		from: process.env.MAIL_USER!,
+		to,
+		subject,
+		template,
+		context,
+	};
+}