SvelteKit requires Node 14

Author: benmccann

src/frameworks/svelte-kit.json

@@ -17,6 +17,9 @@
     "directory": "build"
   },
   "staticAssetsDirectory": "static",
-  "env": {},
+  "env": {
+    "AWS_LAMBDA_JS_RUNTIME": "nodejs14.x",
+    "NODE_VERSION": "14"
+  },
   "plugins": []
 }