Add JSON configuration for www.pratz domain

domains/www.pratz.json

@@ -1 +1,9 @@
-
+{
+    "owner": {
+        "username": "prathamesh-patil-5090",
+        "email": "prathampatil7798@gmail.com"
+    },
+    "records": {
+        "CNAME": "pratham-blogs.netlify.app"
+    }
+}