Update JSON structure for GitHub Pages challenge

domains/_github-pages-challenge-TheX24.tx24.json

@@ -1,10 +1,9 @@
 {
-  "owner": {
+    "owner": {
-    "username": "TheX24"
+        "username": "TheX24",
-  },
+        "email": "tx24@duck.com"
-  "record": {
+    },
-    "TXT": [
+    "records": {
-        "250e71c76a69616fb2347a0f867317"
+        "TXT": ["250e71c76a69616fb2347a0f867317"]
-    ]
+    },
-  }
 }