Add _vercel.damika.json for Vercel domain verification

domains/_vercel.damika.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "Damika-Anupama",
+    "email": "damikaanupama@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=damika.is-a.dev,9f39d52cd612969c428a"
+  }
+}