feat: initial Vite/React frontend service template

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

eslint.config.js

@@ -0,0 +1,10 @@
+import reactHooks from "eslint-plugin-react-hooks";
+import tseslint from "typescript-eslint";
+
+export default tseslint.config(
+  {
+    ignores: ["dist/**", "public/**"],
+  },
+  ...tseslint.configs.recommended,
+  reactHooks.configs.flat.recommended,
+);