Add _vercel TXT for rebecca.is-a.dev Vercel verification

domains/_vercel.rebecca.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "rebeccaKil",
+        "email": "rebeccakil8615@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=rebecca.is-a.dev,6dbcd9b40d2c1a13da69"
+    }
+}