Update domains.json (#2622)

Author: thenaursa

spaces/domains.json

@@ -25,6 +25,7 @@
   "vote.zerrw.com": "zerrw.eth",
   "vote.trotelcoin.com": "alexandretrotel.eth",
   "dao.ampleswap.com": "ampleswap.eth",
+  "governance.thena.fi": "thenafi.eth",
   "dao.magicsquare.io": "magicappstore.eth",
   "vote.mozaic.finance": "mozaicfinance.eth",
   "dao.strike.org": "strikeorg.eth",