feat: initial scaffold — MVP catalogue de données d'API

- Backend NestJS : CRUD api_entries + categories, upload YAML multi-fichiers,
  génération docs AsyncAPI (@asyncapi/cli@6.0.0) et OpenAPI (redocly)
- Fix: route wildcard GET /api/apis/:id/*path pour servir les assets statiques
  (CSS/JS) générés par AsyncAPI HTML template (contournement bug path-to-regexp v8)
- Frontend Angular 19 : pages catalog, browse, api-detail, doc-viewer, upload (DSFR)
- Seeder de données de démo (idempotent)
- Docker Compose dev + Dockerfiles + manifests K8s
- Documentation : README, architecture, référence API REST

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

back/src/app.module.ts

@@ -0,0 +1,36 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { HealthModule } from './health/health.module';
+import { ApisModule } from './modules/apis/apis.module';
+import { UploadsModule } from './modules/uploads/uploads.module';
+import { DocsGenerationModule } from './modules/docs-generation/docs-generation.module';
+import { CategoriesModule } from './modules/categories/categories.module';
+import { SeederModule } from './modules/seeder/seeder.module';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({ isGlobal: true }),
+    TypeOrmModule.forRootAsync({
+      inject: [ConfigService],
+      useFactory: (config: ConfigService) => ({
+        type: 'postgres',
+        host: config.get('DATABASE_HOST', 'localhost'),
+        port: config.get<number>('DATABASE_PORT', 5432),
+        username: config.get('DATABASE_USER', 'datacat'),
+        password: config.get('DATABASE_PASSWORD', 'datacat'),
+        database: config.get('DATABASE_NAME', 'datacat'),
+        entities: [__dirname + '/**/*.entity{.ts,.js}'],
+        synchronize: config.get('NODE_ENV') !== 'production',
+        logging: config.get('NODE_ENV') === 'development',
+      }),
+    }),
+    HealthModule,
+    ApisModule,
+    UploadsModule,
+    DocsGenerationModule,
+    CategoriesModule,
+    SeederModule,
+  ],
+})
+export class AppModule {}