Create open-beta.json

domains/open-beta.json

@@ -0,0 +1,9 @@
+              {
+                "owner": {
+                  "username": "@is-a-dev/maintainers",
+                  "email": "mahir@molai.dev"
+                },
+                "record": {
+                  "cname": "open-beta.pages.dev"
+                }
+              }