add domain integration for mr-chetan.github.io

domains/chetan.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "mr-chetan",
+    "email": "contact@mrchetan.com"
+  },
+  "records": {
+    "CNAME": "mr-chetan.github.io"
+  }
+}