How to Create Installer (.cab) for web part?

<?xml version="1.0"?>
<!-- You need only one manifest per CAB project for Web Part Deployment.-->
<!-- This manifest file can have multiple assembly nodes.-->
<WebPartManifest xmlns="http://schemas.microsoft.com/WebPart/v2/Manifest">
  <Assemblies>
    <Assembly FileName="WpSampleHelloWorld.dll">
	<!-- Use the <ClassResource> tag to specify resources like image files or JScript files that your Web Parts use. -->
    <!-- Note that you must use relative paths when specifying resource files. -->
      
      <ClassResources>
        <ClassResource FileName="minus.gif"/>
      </ClassResources>
      
      <SafeControls>
        <SafeControl
          Namespace="WpSampleHelloWorld"
          TypeName="*"
        />
      </SafeControls>
    </Assembly>
  </Assemblies>
  <DwpFiles>
    <DwpFile FileName="HelloWorld.dwp"/>
  </DwpFiles>
</WebPartManifest>