add links to peterson_matthew bio (#634)
add links to peterson_matthew bio (#634)


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