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

domains/ryuuzu.json

@@ -0,0 +1,10 @@
+{
+    "owner": {
+        "username": "ryuuzu",
+        "email": "me@ryuuzu.xyz"
+    },
+
+    "record": {
+        "CNAME": "ryuuzu.xyz"
+    }
+}