feat(user): rename to identity

feat(identity): add getIota function with caching

apps/web/package.json

@@ -32,7 +32,7 @@
     "@tensamin/storage": "workspace:*",
     "@tensamin/tauri": "workspace:*",
     "@tensamin/tauth": "workspace:*",
-    "@tensamin/user": "workspace:*",
+    "@tensamin/identity": "workspace:*",
     "decimal.js-light": "^2.5.1",
     "eventemitter3": "^5.0.4",
     "lucide-react": "^1.29.0",