Update audience.html
Update audience.html

adding excerpt
ErinBecker/website,ErinBecker/website,k8hertweck/website,swcarpentry/website,rgaiacs/swc-website,ErinBecker/website,gvwilson/website,rgaiacs/swc-website,gvwilson/website,rgaiacs/swc-website,gvwilson/website,swcarpentry/website,k8hertweck/website,swcarpentry/website,k8hertweck/website,gvwilson/website,k8hertweck/website,ErinBecker/website,swcarpentry/website,swcarpentry/website,rgaiacs/swc-website,gvwilson/website,k8hertweck/website,rgaiacs/swc-website,ErinBecker/website