finalised client APIs and authentication method

server/api/v1/client/user/index.get.ts

@@ -0,0 +1,7 @@
+import { defineClientEventHandler } from "~/server/internal/clients/event-handler";
+
+export default defineClientEventHandler(async (h3, { fetchUser }) => {
+  const user = await fetchUser();
+
+  return user;
+});