Fix formatting in JSON file for GitHub Pages challenge

domains/_github-pages-challenge-SjxSubham.sjxsubham.json

@@ -1,9 +1,9 @@
 {
-  "owner": {
-    "username": "SjxSubham",
-    "email": "sjxsubham@gmail.com"
-  },
-  "records": {
-    "TXT": "c2afa4242fd2ee9c13a2c7174b1c8b"
-  }
+    "owner": {
+        "username": "SjxSubham",
+        "email": "sjxsubham@gmail.com"
+    },
+    "records": {
+        "TXT": "c2afa4242fd2ee9c13a2c7174b1c8b"
+    }
 }