add alexandra.is-a.dev with vercel verification

domains/alexandra.json

@@ -1,9 +1,14 @@
-{
+"alexandra": {
   "owner": {
     "username": "alexxandraSalazar",
     "email": "alexandrasalazar121205@gmail.com"
   },
   "record": {
     "CNAME": "alexandrasalazar.vercel.app"
+  },
+  "dns": {
+    "TXT": {
+      "_vercel": "vc-domain-verify=alexandra.is-a.dev,c8a58aad1c7c9d2802c7"
+    }
   }
 }