Закончено создание стримов

src/main/java/ru/serega6531/packmate/service/PacketService.java

@@ -1,7 +1,22 @@
 package ru.serega6531.packmate.service;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import ru.serega6531.packmate.model.Packet;
+import ru.serega6531.packmate.repository.PacketRepository;
 
 @Service
 public class PacketService {
+
+    private final PacketRepository repository;
+
+    @Autowired
+    public PacketService(PacketRepository repository) {
+        this.repository = repository;
+    }
+
+    public Packet save(Packet packet) {
+        return repository.save(packet);
+    }
+
 }