Initial commit: SDI SaaS Platform foundation

- Complete monorepo structure with pnpm workspaces
- Prisma database schema with 20+ entities
- NestJS API with 9 core modules
- BullMQ orchestration worker
- AWS and Azure provider adapters
- Docker Compose infrastructure
- Complete documentation

apps/api/src/app.module.ts

@@ -0,0 +1,32 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { DatabaseModule } from './database/database.module';
+import { AuthModule } from './modules/auth/auth.module';
+import { TenantsModule } from './modules/tenants/tenants.module';
+import { UsersModule } from './modules/users/users.module';
+import { ProvidersModule } from './modules/providers/providers.module';
+import { EndpointsModule } from './modules/endpoints/endpoints.module';
+import { QuotesModule } from './modules/quotes/quotes.module';
+import { OrdersModule } from './modules/orders/orders.module';
+import { ServicesModule } from './modules/services/services.module';
+import { AuditModule } from './modules/audit/audit.module';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+      envFilePath: ['.env.local', '.env'],
+    }),
+    DatabaseModule,
+    AuthModule,
+    TenantsModule,
+    UsersModule,
+    ProvidersModule,
+    EndpointsModule,
+    QuotesModule,
+    OrdersModule,
+    ServicesModule,
+    AuditModule,
+  ],
+})
+export class AppModule {}