Refactor JSON structure for GitHub Pages configuration

domains/_github-pages-challenge-snehams325.snehamj.json

@@ -1 +1,9 @@
-{ "owner": { "username": "SnehaMs325", "": "snehamsofficial@gmail.com" }, "records": { "TXT": "35f28ffe13361fda8edf3ac2d9e973" } } 
+{
+    "owner": {
+        "username": "SnehaMs325",
+        "email": "snehamsofficial@gmail.com"
+    },
+    "records": {
+        "TXT": ["35f28ffe13361fda8edf3ac2d9e973"]
+    }
+}