Change TXT record to an array format

Updated TXT record format for Vercel domain verification.

domains/yashwant.json

@@ -5,11 +5,13 @@
     "username": "Yashwant176",
     "email": "kumarkyashwant@gmail.com"
   },
-  "proxied": true, 
+  "proxied": true,
   "records": {
     "CNAME": "portfolio2-kappa-flame.vercel.app",
     "TXT": {
-      "_vercel": "vc-domain-verify=yashwant.is-a.dev,11b5c01be56a6a6d14ca" 
+      "_vercel": [
+        "vc-domain-verify=yashwant.is-a.dev,11b5c01be56a6a6d14ca"
+      ]
     }
   }
 }