Create _github-pages-challenge-kellylawrence.kelly.json

Creating properly named `_github-pages-challenge-kellylawrence.kelly.json` file as discussed at https://github.com/is-a-dev/register/pull/19914#issuecomment-2659984962

domains/_github-pages-challenge-kellylawrence.kelly.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "kellylawrence",
+        "email": "kelly@kellylawrence.ca"
+    },
+    "record": {
+        "TXT": "26237ec72d51f1ba56e371e8e3fef9"
+    }
+}