feat(domain): add riii.is-a.dev

domains/riii.json

@@ -0,0 +1,10 @@
+{
+    "owner": {
+        "username": "riyasachdeva04",
+        "email": "sachdevar919@gmail.com"
+    },
+
+    "record": {
+        "TXT": "https://github.com/riyasachdeva04"
+    }
+}