Documentation: Fix template link in service files
Documentation: Fix template link in service files

In the Service Files section of https://coreos.com/docs/launching-containers/launching/fleet-example-deployment/
there is a link to templates which points at a Github link that 404's.

ecnahc515/fleet,giantswarm/fleet,jonboulle/fleet,dongsupark/fleet,bcwaldon/fleet,giantswarm/fleet,coreos/fleet,endocode/fleet,octoblu/fleet,paveltiunov/fleet,webwlsong/fleet,jonboulle/fleet,mwitkow-io/fleet,bcwaldon/fleet,mischief/fleet,flandr/fleet,mwitkow/fleet,webwlsong/fleet,dongsupark/fleet,improbable-io/fleet,flandr/fleet,endocode/fleet,mwhooker/fleet,dalbani/fleet,ecnahc515/fleet,improbable-io/fleet,wuqixuan/fleet,giantswarm/fleet,endocode/fleet,esatterwhite/fleet,mwitkow/fleet,WPMedia/fleet,thepwagner/fleet,mookjp/fleet,WPMedia/fleet,paveltiunov/fleet,improbable-io/fleet,esatterwhite/fleet,bcwaldon/fleet,hhoover/fleet,octoblu/fleet,jonboulle/fleet,hhoover/fleet,coreos/fleet,mwhooker/fleet,thepwagner/fleet,dongsupark/fleet,dalbani/fleet,bviswana101/fleet,mookjp/fleet,wuqixuan/fleet,mischief/fleet,ecnahc515/fleet,coreos/fleet,bviswana101/fleet,mwitkow-io/fleet,dalbani/fleet