Building movable, Position save, Overlapse prevention

Packages/manifest.json

@@ -7,6 +7,13 @@
         "com.madsbangh.easybuttons",
         "com.openupm"
       ]
+    },
+    {
+      "name": "Packages from jillejr",
+      "url": "https://npm.cloudsmith.io/jillejr/newtonsoft-json-for-unity/",
+      "scopes": [
+        "jillejr"
+      ]
     }
   ],
   "dependencies": {
@@ -15,12 +22,13 @@
     "com.unity.collab-proxy": "1.15.13",
     "com.unity.ide.visualstudio": "2.0.14",
     "com.unity.ide.vscode": "1.2.4",
-    "com.unity.nuget.newtonsoft-json": "3.0.2",
     "com.unity.render-pipelines.universal": "10.8.1",
     "com.unity.test-framework": "1.1.31",
     "com.unity.textmeshpro": "3.0.6",
     "com.unity.timeline": "1.4.8",
     "com.unity.ugui": "1.0.0",
+    "jillejr.newtonsoft.json-for-unity": "13.0.102",
+    "jillejr.newtonsoft.json-for-unity.converters": "1.4.0",
     "com.unity.modules.ai": "1.0.0",
     "com.unity.modules.androidjni": "1.0.0",
     "com.unity.modules.animation": "1.0.0",