fix: Fixed mjk22071998.json with proper vercel domain

domains/_vercel.mjk22071998.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "mjk22071998",
+    "email": "mjk22071998@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=mjk22071998.is-a.dev,093f61554b3244f70725"
+  }
+}

domains/mjk22071998.json

@@ -5,7 +5,7 @@
     "username": "mjk22071998",
     "email": "mjk22071998@gmail.com"
   },
-  "record": {
-    "CNAME": "portfolio-dun-nine-84.vercel.app"
+  "records": {
+    "CNAME": "cname.vercel-dns.com"
   }
 }