Update workshops_pitch.html
Update workshops_pitch.html

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