function Sidebar() {
  return (
  <!-- ======= Sidebar ======= -->
<aside id="sidebar" class="sidebar">
  <ul class="sidebar-nav" id="sidebar-nav">

    <!-- Dashboard Nav -->
    <li class="nav-item">
      <a class="nav-link" href="index.php">
        <i class="bi bi-grid"></i>
        <span>Dashboard</span>
      </a>
    </li>
    <!-- End Dashboard Nav -->

    <!-- Proxmox Nav -->
    <li class="nav-item">
      <a class="nav-link" data-bs-target="#proxmox-nav" data-bs-toggle="collapse" href="#">
        <i class="fa-solid fa-server"></i><span>Proxmox</span><i class="bi bi-chevron-down ms-auto"></i>
      </a>
      <ul id="proxmox-nav" class="nav-content collapse" data-bs-parent="#sidebar-nav">
        <li>
          <a href="proxmox-setup.php">
            <i class="bi bi-circle"></i><span>Proxmox Setup</span>
          </a>
        </li>
        <li>
          <a href="proxmox-vm.php">
            <i class="bi bi-circle"></i><span>Proxmox Create VM</span>
          </a>
        </li>
        <li>
          <a href="create-lxc.php">
            <i class="bi bi-circle"></i><span>Proxmox Create LXC Container</span>
          </a>
        </li>
        <li>
          <a href="proxmox-raid.php">
            <i class="bi bi-circle"></i><span>Proxmox RAID System</span>
          </a>
        </li>
        <li>
          <a href="replace-disk.php">
            <i class="bi bi-circle"></i><span>Proxmox Replace Disk</span>
          </a>
        </li>
        <li>
          <a href="add-single-disk.php">
            <i class="bi bi-circle"></i><span>Proxmox Add Single Disk</span>
          </a>
        </li>
         <li>
          <a href="add-zfs.php">
            <i class="bi bi-circle"></i><span>Proxmox Add ZFS Storage and RAID Storage</span>
          </a>
        </li>
        
         <li>
          <a href="storage-technology.php">
            <i class="bi bi-circle"></i><span>Proxmox Storage Technology Overview</span>
          </a>
        </li>
        <li>
          <a href="network-basics.php">
            <i class="bi bi-circle"></i><span>Proxmox Network Basics</span>
          </a>
        </li>
       
        <!-- Weitere Proxmox-Optionen können hier hinzugefügt werden -->
      </ul>
    </li>
    <!-- End Proxmox Nav -->

    <!-- TOOL -->
    <li class="nav-item">
      <a class="nav-link" data-bs-target="#tools-nav" data-bs-toggle="collapse" href="#">
        <i class="fa-solid fa-screwdriver-wrench"></i><span>TOOLS</span><i class="bi bi-chevron-down ms-auto"></i>
      </a>
      <ul id="tools-nav" class="nav-content collapse" data-bs-parent="#sidebar-nav">
        <li>
          <a href="rufus.php">
            <i class="bi bi-circle"></i><span>Rufus</span>
          </a>
        </li>
      </ul>
    </li>
    <!-- End -->
    
    <!-- Linux -->
    <li class="nav-item">
      <a class="nav-link" data-bs-target="#linux-nav" data-bs-toggle="collapse" href="#">
        <i class="fa-brands fa-linux"></i><span>Linux</span><i class="bi bi-chevron-down ms-auto"></i>
      </a>
      <ul id="linux-nav" class="nav-content collapse" data-bs-parent="#sidebar-nav">
        <li>
          <a href="apache-ssl.php">
            <i class="bi bi-circle"></i><span>Apache2 SSL</span>
          </a>
        </li>
        <li>
          <a href="nginx-ssl.php">
            <i class="bi bi-circle"></i><span>Nginx SSL</span>
          </a>
        </li>
        <li>
          <a href="rtmp-nginx.php">
            <i class="bi bi-circle"></i><span>RTMP Stream</span>
          </a>
        </li>
      </ul>
    </li>
    <!-- End -->
    
     <!-- Software -->
    <li class="nav-item">
      <a class="nav-link" data-bs-target="#software-nav" data-bs-toggle="collapse" href="#">
        <i class="fa fa-desktop"></i><span>Open-Source-Software</span><i class="bi bi-chevron-down ms-auto"></i>
      </a>
      <ul id="software-nav" class="nav-content collapse" data-bs-parent="#sidebar-nav">
        <li>
          <a href="nextcloud.php">
            <i class="bi bi-circle"></i><span>Nextcloud</span>
          </a>
        </li>
      </ul>
    </li>
    <!-- End -->
    
    
    
    <!-- General Basics -->
    <li class="nav-item">
      <a class="nav-link" data-bs-target="#basics-nav" data-bs-toggle="collapse" href="#">
        <i class="fa-solid fa-info"></i><span>General Basics</span><i class="bi bi-chevron-down ms-auto"></i>
      </a>
      <ul id="basics-nav" class="nav-content collapse" data-bs-parent="#sidebar-nav">
        <li>
          <a href="bios-uefi.php">
            <i class="bi bi-circle"></i><span>Boot from USB</span>
          </a>
        </li>
        <li>
          <a href="raid.php">
            <i class="bi bi-circle"></i><span>RAID</span>
          </a>
        </li>
      </ul>
    </li>
    <!-- End -->

 
    
  </ul>
</aside>
 
 <!-- End Sidebar-->
  );
}