sitemap: Add sitemap.xml file to website
sitemap: Add sitemap.xml file to website

Signed-off-by: BJ Hargrave <3d26bb3930946e3370762d769a073cece444c2d8@bjhargrave.com>

osgi/osgi.enroute.site,osgi/osgi.enroute.site,osgi/osgi.enroute.site