feat: добавить генерацию image variants

- добавлен shared config presets, custom transforms и allowlist hosts
- реализованы Backend endpoints для assets, presets и variants
- добавлена orchestration через PostgreSQL, RabbitMQ, S3 и worker
- обновлён Gateway read-through flow с L1 cache и корректным Vary: Accept
- добавлена миграция resize_mode для variants lookup
- обновлены dev scripts, env template, lockfile и документация

packages/queue/package.json

@@ -2,10 +2,11 @@
   "name": "@image-platform/queue",
   "version": "0.1.0",
   "private": true,
-  "type": "module",
   "exports": {
     ".": {
       "types": "./src/index.ts",
+      "require": "./dist/index.js",
+      "import": "./dist/index.js",
       "default": "./dist/index.js"
     }
   },
@@ -15,7 +16,11 @@
     "typecheck": "tsc --noEmit -p tsconfig.json"
   },
   "devDependencies": {
+    "@types/amqplib": "^0.10.8",
     "@types/node": "^25.6.0",
     "typescript": "^6.0.3"
+  },
+  "dependencies": {
+    "amqplib": "^1.0.4"
   }
 }