feat: register phoenix.is-a.dev

domains/phoenix.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "mj-praba",
+        "email": "manojprabaharj@gmail.com"
+    },
+    "records": {
+        "CNAME": "mj-praba.github.io"
+    }
+}