Update Vercel verification TXT (new code) and add www records

domains/_vercel.www.merugan.json

@@ -0,0 +1,8 @@
+{
+  "owner": {
+    "username": "merugan1231"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=www.merugan.is-a.dev,1bcdca531cb34f8d98cf"
+  }
+}