Add custom domain for Smart Layer (#2589)

Author: hboon

spaces/domains.json

@@ -994,7 +994,7 @@
   "vote.altiliumdao.com": "altgodao.eth",
   "vote.goat.fi": "goatprotocol.eth",
   "vote.strategysportsnetwork.com": "strategysports.eth",
-  "vote-stage.smartlayer.network": "smartcat.eth",
+  "vote.smartlayer.network": "smartlayer.eth",
   "vote.zerolend.xyz": "zerolend.eth",
   "dao.index.ai": "indexaidao.eth",
   "gov.precipitate.ai": "precipitateai.eth"