use oxfmt instead of prettier

.vscode/settings.json

@@ -3,7 +3,8 @@
     "i18n-ally.keystyle": "nested",
     "i18n-ally.sourceLanguage": "en",
     "i18n-ally.indent": 4,
-    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "oxc.fmt.configPath": ".oxfmtrc.json",
+    "editor.defaultFormatter": "oxc.oxc-vscode",
     "editor.formatOnSave": true,
     "omnisharp.enableRoslynAnalyzers": true,
     "omnisharp.useModernNet": false,