Add domain configuration for GitHub Pages challenge

domains/_github-pages-challenge-riccardodebellini.labs.riccardo

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "riccardodebellini",
+        "email": "riccardo.debellini@gmail.com"
+    },
+    "records": {
+        "TXT": "b1f48610713166718d372efea3f9b6"
+    }
+}