add deka.pages.dev domain

domains/deka.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "dekagalang",
+        "email": "dekagalangpermadi@gmail.com"
+    },
+    "records": {
+        "CNAME": "deka.pages.dev"
+    }
+}