feat: add subdoc migration script (#2820)

Co-authored-by: himself65 <himself65@outlook.com>

packages/env/tsconfig.json

@@ -9,6 +9,9 @@
   "references": [
     {
       "path": "../infra"
+    },
+    {
+      "path": "../../tests/fixtures"
     }
   ]
 }