Added Observation Scene to show the Replay

Packages/manifest.json

@@ -3,6 +3,7 @@
     "com.cysharp.unitask": "https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask",
     "com.github-glitchenzo.nugetforunity": "https://github.com/GlitchEnzo/NuGetForUnity.git?path=/src/NuGetForUnity",
     "com.unity.burst": "1.8.21",
+    "com.unity.cinemachine": "3.1.3",
     "com.unity.collab-proxy": "2.8.2",
     "com.unity.feature.development": "1.0.2",
     "com.unity.inputsystem": "1.14.0",
@@ -15,6 +16,7 @@
     "com.unity.services.authentication": "3.4.1",
     "com.unity.services.multiplayer": "1.1.0",
     "com.unity.services.vivox": "16.6.0",
+    "com.unity.timeline": "1.8.8",
     "com.unity.transport": "2.5.1",
     "com.unity.xr.hands": "1.5.0",
     "com.unity.xr.interaction.toolkit": "3.0.8",

Packages/packages-lock.json

@@ -24,6 +24,16 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.cinemachine": {
+      "version": "3.1.3",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.splines": "2.0.0",
+        "com.unity.modules.imgui": "1.0.0"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.collab-proxy": {
       "version": "2.8.2",
       "depth": 0,
@@ -343,6 +353,17 @@
         "com.unity.searcher": "4.9.3"
       }
     },
+    "com.unity.splines": {
+      "version": "2.8.0",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.mathematics": "1.2.1",
+        "com.unity.modules.imgui": "1.0.0",
+        "com.unity.settings-manager": "1.0.3"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.test-framework": {
       "version": "1.5.1",
       "depth": 1,
@@ -373,6 +394,18 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.timeline": {
+      "version": "1.8.8",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.modules.audio": "1.0.0",
+        "com.unity.modules.director": "1.0.0",
+        "com.unity.modules.animation": "1.0.0",
+        "com.unity.modules.particlesystem": "1.0.0"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.transport": {
       "version": "2.5.1",
       "depth": 0,