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

packages/shared-types/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "@sdi/shared-types",
+  "version": "0.1.0",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc",
+    "dev": "tsc --watch"
+  },
+  "devDependencies": {
+    "typescript": "^5.3.3"
+  }
+}