Update jacobmalmberg.json

Fix records format + correct username

domains/jacobmalmberg.json

@@ -3,10 +3,16 @@
     "username": "jakkmalm",
     "email": "jacob_ost@hotmail.com"
   },
-  "records": {
-    "CNAME": "nextjs-portfolio-kappa-umber-96.vercel.app",
-    "TXT": {
-      "_vercel": "vc-domain-verify=jacobmalmberg.is-a.dev,92f5c9869d0567dbd59c"
+  "records": [
+    {
+      "type": "CNAME",
+      "name": "@",
+      "value": "nextjs-portfolio-kappa-umber-96.vercel.app"
+    },
+    {
+      "type": "TXT",
+      "name": "_vercel",
+      "value": "vc-domain-verify=jacobmalmberg.is-a.dev,92f5c9869d0567dbd59c"
     }
-  }
+  ]
 }