chore: migrate from ESLint/Prettier to Oxc

.vscode/extensions.json

@@ -1,8 +1,7 @@
 {
   "recommendations": [
     "editorconfig.editorconfig",
-    "prettier.prettier-vscode",
-    "dbaeumer.vscode-eslint",
+    "oxc.oxc-vscode",
     "davidanson.vscode-markdownlint",
     "bradlc.vscode-tailwindcss",
     "antfu.pnpm-catalog-lens",