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/database/package.json

@@ -2,19 +2,20 @@
   "name": "@image-platform/database",
   "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"
     }
   },
   "types": "./src/index.ts",
   "scripts": {
     "build": "tsc -p tsconfig.build.json",
-    "db:generate": "drizzle-kit generate --config drizzle.config.ts",
-    "db:migrate": "drizzle-kit migrate --config drizzle.config.ts",
-    "db:studio": "drizzle-kit studio --config drizzle.config.ts",
+    "db:generate": "node --env-file-if-exists=../../.env ./node_modules/drizzle-kit/bin.cjs generate --config drizzle.config.ts",
+    "db:migrate": "node --env-file-if-exists=../../.env ./node_modules/drizzle-kit/bin.cjs migrate --config drizzle.config.ts",
+    "db:studio": "node --env-file-if-exists=../../.env ./node_modules/drizzle-kit/bin.cjs studio --config drizzle.config.ts",
     "typecheck": "tsc --noEmit -p tsconfig.json"
   },
   "dependencies": {