feat: Implement Stripe integration for subscription management, including new services, controllers, Prisma models, and webhook handling.

src/app.module.ts

@@ -20,6 +20,7 @@ import { CmsModule } from './cms';
 import { NotificationsModule } from './notifications';
 import { TestimonialsModule } from './testimonials';
 import { SupportChatModule } from './support-chat';
+import { StripeModule } from './stripe';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 
@@ -63,6 +64,7 @@ import { AppService } from './app.service';
     NotificationsModule,
     TestimonialsModule,
     SupportChatModule,
+    StripeModule,
   ],
   controllers: [AppController],
   providers: [