Create ownership verification JSON for nihal-gupta

Add ownership verification record for nihal-gupta.is-a.dev.

domains/verify-5wnv9bmiu26482gaip2ijmim.nihal-gupta.json

@@ -0,0 +1,11 @@
+{
+    "description": "Northflank ownership verification record for nihal-gupta.is-a.dev (temporary — will be removed after verification succeeds)",
+    "owner": {
+        "username": "Nihal-Gupta",
+        "email": "nihalgupta@duck.com"
+    },
+    "records": {
+        "TXT": "238a3d1600b3ede1f06bcba4a03db35427fbde8091daed6e090172a7e9c29"
+    },
+    "proxied": false
+}