feat: register rishabhrai.is-a.dev

domains/rishabhrai.is-a.dev.json

@@ -0,0 +1,11 @@
+{
+  "description": "Portfolio of Rishabh Rai",
+  "repo": "https://github.com/RishabhRai280/Rishabh-Rai",
+  "owner": {
+    "username": "RishabhRai280",
+    "email": "rairishabh281@gmail.com"
+  },
+  "record": {
+    "CNAME": "rishabhrai280.github.io"
+  }
+}