add devices list

- add DeviceController
- add getDevices to DeviceRegistryService
- add WebClient deviceRegistryDevices to DeviceRegisterWebClientCalls.kt
- add device list.html
- fix no items found for device type list.html
- add device to main menu in layout.html
- add device to AdminPaths.kt

src/main/kotlin/ltd/hlaeja/controller/DeviceController.kt

@@ -0,0 +1,40 @@
+package ltd.hlaeja.controller
+
+import jakarta.validation.constraints.Max
+import jakarta.validation.constraints.Min
+import ltd.hlaeja.dto.Pagination
+import ltd.hlaeja.service.DeviceRegistryService
+import org.springframework.stereotype.Controller
+import org.springframework.ui.Model
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import reactor.core.publisher.Mono
+
+@Controller
+class DeviceController(
+    private val deviceRegistryService: DeviceRegistryService,
+) {
+    companion object {
+        const val DEFAULT_PAGE: Int = 1
+        const val DEFAULT_SIZE: Int = 25
+        const val MIN: Long = 1
+        const val MAX: Long = 100
+    }
+
+    @GetMapping(
+        "/device",
+        "/device/page-{page}",
+        "/device/page-{page}/show-{show}",
+    )
+    fun getDevice(
+        @PathVariable(required = false) @Min(MIN) page: Int = DEFAULT_PAGE,
+        @PathVariable(required = false) @Min(MIN) @Max(MAX) show: Int = DEFAULT_SIZE,
+        model: Model,
+    ) = deviceRegistryService.getDevices(page, show)
+        .collectList()
+        .doOnNext { items ->
+            model.addAttribute("items", items)
+            model.addAttribute("pagination", Pagination(page, show, items.size, DEFAULT_SIZE))
+        }
+        .then(Mono.just("device/list"))
+}