Add nishx.json for domain configuration

domains/nishx.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "nish0x",
+    "email": "nishx.dev@gmail.com"
+  },
+  "records": {
+    "CNAME": "nishx-dev.onrender.com"
+  }
+}