Add Vercel configuration for Arnob Sarker's portfolio

domains/_vercel.arnobstack.json

@@ -0,0 +1,11 @@
+{
+  "description": "Portfolio of Arnob Sarker — Full-Stack Developer",
+  "repo": "https://arnobstack.vercel.app",
+  "owner": {
+    "username": "arnobstack",
+    "email": "arnobstack@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=arnobstack.is-a.dev,cdc1029ec9ec331a123b"
+  }
+}