Add create router endpoint

src/main/java/com/litoralregas/openvpn/router/RouterController.java

@@ -1,8 +1,11 @@
 package com.litoralregas.openvpn.router;
 
+import jakarta.validation.Valid;
 import org.springframework.web.bind.annotation.*;
 
+import java.time.LocalDateTime;
 import java.util.List;
+import java.util.UUID;
 
 @RestController
 @RequestMapping("/api/routers")
@@ -18,4 +21,20 @@ public class RouterController {
     public List<Router> getAll() {
         return repository.findAll();
     }
+
+    @PostMapping
+    public Router create(@Valid @RequestBody CreateRouterRequest request) {
+        Router router = new Router();
+
+        router.setId(UUID.randomUUID());
+        router.setName(request.getName());
+        router.setSerialNumber(request.getSerialNumber());
+        router.setLanIp(request.getLanIp());
+        router.setLanSubnet(request.getLanSubnet());
+        router.setStatus("PENDING");
+        router.setCreatedAt(LocalDateTime.now());
+        router.setUpdatedAt(LocalDateTime.now());
+
+        return repository.save(router);
+    }
 }