replaced email with username

lib/client/getPublicUserDataByUsername.ts

@@ -0,0 +1,13 @@
+import { toast } from "react-hot-toast";
+
+export default async function getPublicUserDataByEmail(username: string) {
+  const response = await fetch(
+    `/api/routes/users?username=${username.toLowerCase()}`
+  );
+
+  const data = await response.json();
+
+  if (!response.ok) toast.error(data.response);
+
+  return data.response;
+}