[Feature] manage_camera with cinemachine support (CoplayDev#882)

* Initial commit

* Fix and GUI update

* Updates and bug fix

* Doc update

* Update CameraCreate.cs

Author: Scriptwonder

MCPForUnity/Editor/Resources/Scene/CamerasResource.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using MCPForUnity.Editor.Helpers;
+using MCPForUnity.Editor.Tools.Cameras;
+using Newtonsoft.Json.Linq;
+using UnityEngine;
+
+namespace MCPForUnity.Editor.Resources.Scene
+{
+    [McpForUnityResource("get_cameras")]
+    public static class CamerasResource
+    {
+        public static object HandleCommand(JObject @params)
+        {
+            try
+            {
+                return CameraControl.ListCameras(@params ?? new JObject());
+            }
+            catch (Exception e)
+            {
+                McpLog.Error($"[CamerasResource] Error listing cameras: {e}");
+                return new ErrorResponse($"Error listing cameras: {e.Message}");
+            }
+        }
+    }
+}