Add Vercel domain verification TXT for dmgar

domains/_vercel.dmgar.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "DmitriyMgar",
+        "email": "i@dmgar.ru"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=dmgar.is-a.dev.448cee94146e80f8cd81"
+    }
+}