Refactor sakshamjain.json for improved formatting

Formatted JSON structure for better readability.

domains/sakshamjain.json

@@ -1 +1,9 @@
-{"owner": {"username": "saksham-jain1", "email": "Sj20011002@gmail.com"}, "record": {"A": ["140.245.18.228"]}}
+{
+  "owner": {
+    "username": "saksham-jain1",
+    "email": "Sj20011002@gmail.com"
+  },
+  "records": {
+    "A": ["140.245.18.228"]
+  }
+}