internal void update_and_render(Arena *arena, App_State &app, f32 delta_time)
{
  ImGui::SetNextWindowPos({ 0, 0 });
  ImGui::SetNextWindowSize({ (f32)app.win_data.width, (f32)app.win_data.height });

  Temp scratch = temp_begin(arena);
  defer { temp_end(scratch); };

  u64 text_buf_size = min(app.inspected_file_size, 2048);
  char *text_buf = arena_push_array<char>(scratch.arena, text_buf_size);
  // TODO: convert file content to human readable
  
  if (ImGui::Begin("test")) {
    ImGui::InputTextMultiline("##text_buf", text_buf, text_buf_size);
    ImGui::End();
  }
}