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/package.json

@@ -0,0 +1,42 @@
+{
+  "name": "@datacat/back",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "build": "nest build",
+    "start": "node dist/main",
+    "start:dev": "nest start --watch",
+    "start:debug": "nest start --debug --watch",
+    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\"",
+    "test": "vitest run",
+    "test:watch": "vitest"
+  },
+  "dependencies": {
+    "@nestjs/common": "^11.0.0",
+    "@nestjs/core": "^11.0.0",
+    "@nestjs/platform-express": "^11.0.0",
+    "@nestjs/typeorm": "^11.0.0",
+    "@nestjs/config": "^4.0.0",
+    "@nestjs/serve-static": "^5.0.0",
+    "typeorm": "^0.3.20",
+    "pg": "^8.13.0",
+    "reflect-metadata": "^0.2.0",
+    "rxjs": "^7.8.0",
+    "multer": "^1.4.5-lts.1",
+    "uuid": "^11.0.0",
+    "pino": "^9.0.0",
+    "pino-http": "^10.0.0",
+    "class-validator": "^0.14.0",
+    "class-transformer": "^0.5.0"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^11.0.0",
+    "@nestjs/testing": "^11.0.0",
+    "@types/express": "^5.0.0",
+    "@types/multer": "^1.4.12",
+    "@types/node": "^22.0.0",
+    "@types/uuid": "^10.0.0",
+    "typescript": "^5.7.0",
+    "vitest": "^3.0.0"
+  }
+}