feat(books): separate edit metadata and files into dedicated pages

server/package.json

@@ -28,6 +28,7 @@
     "7z-wasm": "^1.2.0",
     "@fastify/cookie": "^11.0.2",
     "@fastify/formbody": "^8.0.2",
+    "@fastify/multipart": "^9.4.0",
     "@fastify/rate-limit": "^10.3.0",
     "@fastify/static": "^9.0.0",
     "@nestjs/common": "^11.0.1",
@@ -73,7 +74,7 @@
     "@types/express": "^5.0.0",
     "@types/jest": "^30.0.0",
     "@types/node": "^22.10.7",
-    "@types/nodemailer": "^7.0.9",
+    "@types/nodemailer": "^7.0.10",
     "@types/passport-jwt": "^4.0.1",
     "@types/pg": "^8.16.0",
     "@types/supertest": "^6.0.2",