- Document how to install packages for a NanoBSD image

PR:		docs/115732
Submitted by:	John Ferrell <jdferrell3@yahoo.com>

en_US.ISO8859-1/articles/nanobsd/article.sgml

@@ -325,6 +325,23 @@ customize_cmd cust_etc_size</programlisting>
 	</itemizedlist>
       </sect3>
 
+      <sect3>
+	<title>Adding packages</title>
+
+	<para>Packages can be added to a <application>NanoBSD</application>
+	  image using a custom function.  The following fuction will install
+	  all the packages located in
+	  <filename>/usr/src/tools/tools/nanobsd/packages</filename>:</para>
+
+	<programlisting>install_packages () (
+mkdir -p ${NANO_WORLDDIR}/packages
+cp /usr/src/tools/tools/nanobsd/packages/* ${NANO_WORLDDIR}/packages
+chroot ${NANO_WORLDDIR} sh -c 'cd packages; pkg_add -v *;cd ..;'
+rm -rf ${NANO_WORLDDIR}/packages
+)
+customize_cmd install_packages</programlisting>
+      </sect3>
+
       <sect3>
 	<title>Configuration file example</title>