📝 docs(architecture): update dependency lists in architecture documentation

- add cross-env@^7.0.0 to client package.json dependencies
- add cross-env@^7.0.0 to server package.json dependencies

docs/architecture.md

@@ -146,7 +146,8 @@ mini/
     "eslint": "^9.0.0",
     "prettier": "^3.0.0",
     "vitest": "^3.0.0",
-    "@testing-library/react": "^16.0.0"
+    "@testing-library/react": "^16.0.0",
+    "cross-env": "^7.0.0"
   }
 }
 ```
@@ -207,7 +208,8 @@ mini/
     "@types/jsonwebtoken": "^9.0.0",
     "@types/compression": "^1.7.0",
     "@types/debug": "^4.1.0",
-    "@types/uuid": "^9.0.0"
+    "@types/uuid": "^9.0.0",
+    "cross-env": "^7.0.0"
   }
 }
 ```