Add Vercel configuration for domain verification

domains/_vercel.joshi.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "joshuanathanjavier",
+        "email": "joshuanathanjavier@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=joshi.is-a.dev,394acd7836a17b9072b9"
+    }
+}