Attempt fix, incorrect placement of TXT in mjresu's subdomain.

Added _vercel.mjresu.json.

domains/_vercel.mjresu.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+      "username": "mjdsj",
+      "email": "work.mjdsj+is-a-dev@gmail.com"
+    },
+    "record": {
+      "TXT": "vc-domain-verify=mjresu.is-a.dev,2122712d466f4e306e1d"
+    }
+}

domains/mjresu.json

@@ -4,8 +4,7 @@
       "email": "work.mjdsj+is-a-dev@gmail.com"
     },
     "record": {
-      "CNAME": "portfolio-workmjdsj-gmailcom.vercel.app",
-      "TXT": "vc-domain-verify=mjresu.is-a.dev,2122712d466f4e306e1d"
+      "CNAME": "portfolio-workmjdsj-gmailcom.vercel.app"
     },
     "proxied": true
   }