feat: добавить базовые сервисы image-platform

- добавлены backend, admin, gateway и worker skeleton
- добавлены Drizzle schema, database package и initial migration
- добавлены shared packages для RabbitMQ topology и S3 helpers
- обновлены dev-инфраструктура, env example, scripts и dependencies
- обновлена документация под versioned image URLs и read-through flow

apps/backend/tsconfig.json

@@ -0,0 +1,23 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "baseUrl": "./",
+    "declaration": true,
+    "emitDecoratorMetadata": true,
+    "esModuleInterop": true,
+    "experimentalDecorators": true,
+    "incremental": true,
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "outDir": "./dist",
+    "removeComments": true,
+    "skipLibCheck": true,
+    "sourceMap": true,
+    "strict": true,
+    "strictPropertyInitialization": false,
+    "target": "ES2023",
+    "types": ["node"]
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules", "dist"]
+}