added sandbox scene

Packages/manifest.json

@@ -17,6 +17,7 @@
     "com.unity.test-framework": "1.1.33",
     "com.unity.textmeshpro": "3.0.6",
     "com.unity.timeline": "1.7.6",
+    "com.unity.toolchain.linux-x86_64": "2.0.10",
     "com.unity.ugui": "1.0.0",
     "com.unity.visualscripting": "1.9.4",
     "com.unity.modules.ai": "1.0.0",

Packages/packages-lock.json

@@ -156,6 +156,22 @@
         "com.unity.searcher": "4.9.2"
       }
     },
+    "com.unity.sysroot": {
+      "version": "2.0.10",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.sysroot.linux-x86_64": {
+      "version": "2.0.9",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.sysroot": "2.0.10"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.test-framework": {
       "version": "1.1.33",
       "depth": 0,
@@ -191,13 +207,23 @@
       "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.audio": "1.0.0",
         "com.unity.modules.particlesystem": "1.0.0"
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.toolchain.linux-x86_64": {
+      "version": "2.0.10",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.sysroot": "2.0.10",
+        "com.unity.sysroot.linux-x86_64": "2.0.9"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.ugui": {
       "version": "1.0.0",
       "depth": 0,