Add kirilvasilev github pages verification

domains/_github-pages-challenge-kirilvasilev.kirilvasilev.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "kirilvasilev",
+        "email": "contacts@kirilvasilev.com"
+    },
+    "records": {
+        "TXT": "4c9370b4e48a4308b7d894c13d0410"
+    }
+}