chore: add new service to add subs to danak services in array

src/configs/mailer.config.ts

@@ -7,20 +7,20 @@ export function mailerConfig(): MailerAsyncOptions {
     inject: [ConfigService],
     useFactory: (configService: ConfigService) => ({
       transport: {
-        host: configService.get("SMTP_HOST"),
-        port: configService.get("SMTP_PORT"),
+        host: configService.getOrThrow<string>("SMTP_HOST"),
+        port: configService.getOrThrow<number>("SMTP_PORT"),
         secure: false,
         auth: {
-          user: configService.get("SMTP_USER"),
-          pass: configService.get("SMTP_PASS"),
+          user: configService.getOrThrow<string>("SMTP_USER"),
+          pass: configService.getOrThrow<string>("SMTP_PASS"),
         },
       },
       defaults: {
-        from: configService.get("MAIL_FROM"),
+        from: configService.getOrThrow<string>("MAIL_FROM"),
       },
 
       template: {
-        dir: __dirname + "/templates",
+        dir: process.cwd() + "/templates",
         adapter: new HandlebarsAdapter(),
         options: {
           strict: true,