Add Vercel domain verification configuration

domains/_vercel.singforge.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "singhaidotnish",
+        "email": "singhai.nish@gmail.com"
+    },
+    "records": {
+        "TXT": "_vercel=vc-domain-verify=tools.singforge.is-a.dev,917e45907daec70c9b07"
+    }
+}