feat: add caching debug logs and configurable max concurrent requests for Komga API to enhance performance monitoring

docker-compose.dev.yml

@@ -33,6 +33,8 @@ services:
       - WATCHPACK_POLLING=true
       - NEXTAUTH_SECRET=${NEXTAUTH_SECRET}
       - NEXTAUTH_URL=${NEXTAUTH_URL}
+      - CACHE_DEBUG=true
+      - KOMGA_MAX_CONCURRENT_REQUESTS=5
     command: sh -c "pnpm config set store-dir /app/.pnpm-store && pnpm install --frozen-lockfile && pnpm prisma generate && pnpm dev"
 
   mongodb: