引入 Cinemachine 和 CameraModule，添加摄像机跟随缓动效果

Packages/manifest.json

@@ -6,6 +6,7 @@
     "com.unity.ai.navigation": "1.1.6",
     "com.unity.analytics": "3.8.1",
     "com.unity.burst": "1.8.28",
+    "com.unity.cinemachine": "2.10.7",
     "com.unity.collab-proxy": "2.11.2",
     "com.unity.collections": "2.5.7",
     "com.unity.ide.rider": "3.0.39",

Packages/packages-lock.json

@@ -53,6 +53,15 @@
       },
       "url": "https://packages.unity.cn"
     },
+    "com.unity.cinemachine": {
+      "version": "2.10.7",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.test-framework": "1.1.31"
+      },
+      "url": "https://packages.unity.cn"
+    },
     "com.unity.collab-proxy": {
       "version": "2.11.2",
       "depth": 0,