Add: sulthannk.is-a-dev domain

domains/_vercel.sulthannk.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "SulthanNK",
+    "email": "sulthan.nk@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=sulthannk.is-a.dev,f093d5842ed2174e52e7"
+  }
+}

domains/sulthannk.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "SulthanNK",
+    "email": "sulthan.nk@gmail.com"
+  },
+  "records": {
+    "CNAME": "cname.vercel-dns.com"
+  }
+}