Add anupam.json for domain configuration

domains/anupam.json

@@ -0,0 +1,10 @@
+{
+  "owner": {
+    "username": "aroy67258",
+    "email": "anupamroy19@gmail.com"
+  },
+  "record": {
+    "CNAME": "my-portfolio-website-rust-gamma.vercel.app"
+  },
+  "proxied": false
+}