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/package.json

@@ -0,0 +1,50 @@
+{
+  "name": "@sdi/api",
+  "version": "0.1.0",
+  "scripts": {
+    "build": "nest build",
+    "dev": "nest start --watch",
+    "start": "node dist/main",
+    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\"",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:cov": "jest --coverage"
+  },
+  "dependencies": {
+    "@nestjs/common": "^10.3.0",
+    "@nestjs/core": "^10.3.0",
+    "@nestjs/platform-express": "^10.3.0",
+    "@nestjs/config": "^3.1.1",
+    "@nestjs/swagger": "^7.2.0",
+    "@nestjs/jwt": "^10.2.0",
+    "@nestjs/passport": "^10.0.3",
+    "@sdi/database": "workspace:*",
+    "@sdi/shared-types": "workspace:*",
+    "passport": "^0.7.0",
+    "passport-jwt": "^4.0.1",
+    "class-validator": "^0.14.1",
+    "class-transformer": "^0.5.1",
+    "bcrypt": "^5.1.1",
+    "reflect-metadata": "^0.2.1",
+    "rxjs": "^7.8.1"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^10.3.0",
+    "@nestjs/schematics": "^10.1.0",
+    "@nestjs/testing": "^10.3.0",
+    "@types/express": "^4.17.21",
+    "@types/jest": "^29.5.11",
+    "@types/node": "^20.11.0",
+    "@types/passport-jwt": "^4.0.0",
+    "@types/bcrypt": "^5.0.2",
+    "@typescript-eslint/eslint-plugin": "^6.19.0",
+    "@typescript-eslint/parser": "^6.19.0",
+    "eslint": "^8.56.0",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.1.1",
+    "ts-loader": "^9.5.1",
+    "ts-node": "^10.9.2",
+    "tsconfig-paths": "^4.2.0",
+    "typescript": "^5.3.3"
+  }
+}