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

pnpm-lock.yaml

@@ -38,6 +38,18 @@ importers:
 
   apps/backend:
     dependencies:
+      '@image-platform/database':
+        specifier: workspace:*
+        version: link:../../packages/database
+      '@image-platform/image-config':
+        specifier: workspace:*
+        version: link:../../packages/image-config
+      '@image-platform/queue':
+        specifier: workspace:*
+        version: link:../../packages/queue
+      '@image-platform/storage':
+        specifier: workspace:*
+        version: link:../../packages/storage
       '@nestjs/common':
         specifier: ^11.0.0
         version: 11.1.19(reflect-metadata@0.2.2)(rxjs@7.8.2)
@@ -50,6 +62,12 @@ importers:
       '@nestjs/swagger':
         specifier: ^11.0.0
         version: 11.4.2(@nestjs/common@11.1.19(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.19)(reflect-metadata@0.2.2)
+      amqplib:
+        specifier: ^1.0.4
+        version: 1.0.4
+      drizzle-orm:
+        specifier: ^0.45.2
+        version: 0.45.2(@types/pg@8.20.0)(pg@8.20.0)
       reflect-metadata:
         specifier: ^0.2.2
         version: 0.2.2
@@ -66,6 +84,12 @@ importers:
       '@nestjs/schematics':
         specifier: ^11.0.0
         version: 11.1.0(chokidar@4.0.3)(typescript@5.9.3)
+      '@types/amqplib':
+        specifier: ^0.10.8
+        version: 0.10.8
+      '@types/express':
+        specifier: ^5.0.6
+        version: 5.0.6
       '@types/node':
         specifier: ^24.0.0
         version: 24.12.2
@@ -78,6 +102,9 @@ importers:
 
   apps/gateway:
     dependencies:
+      '@image-platform/image-config':
+        specifier: workspace:*
+        version: link:../../packages/image-config
       fastify:
         specifier: ^5.8.5
         version: 5.8.5
@@ -97,6 +124,9 @@ importers:
       '@image-platform/database':
         specifier: workspace:*
         version: link:../../packages/database
+      '@image-platform/image-config':
+        specifier: workspace:*
+        version: link:../../packages/image-config
       '@image-platform/queue':
         specifier: workspace:*
         version: link:../../packages/queue
@@ -106,6 +136,9 @@ importers:
       amqplib:
         specifier: ^1.0.4
         version: 1.0.4
+      drizzle-orm:
+        specifier: ^0.45.2
+        version: 0.45.2(@types/pg@8.20.0)(pg@8.20.0)
     devDependencies:
       '@types/amqplib':
         specifier: ^0.10.8
@@ -142,7 +175,7 @@ importers:
         specifier: ^6.0.3
         version: 6.0.3
 
-  packages/queue:
+  packages/image-config:
     devDependencies:
       '@types/node':
         specifier: ^25.6.0
@@ -151,6 +184,22 @@ importers:
         specifier: ^6.0.3
         version: 6.0.3
 
+  packages/queue:
+    dependencies:
+      amqplib:
+        specifier: ^1.0.4
+        version: 1.0.4
+    devDependencies:
+      '@types/amqplib':
+        specifier: ^0.10.8
+        version: 0.10.8
+      '@types/node':
+        specifier: ^25.6.0
+        version: 25.6.0
+      typescript:
+        specifier: ^6.0.3
+        version: 6.0.3
+
   packages/storage:
     dependencies:
       '@aws-sdk/client-s3':