Add API link to Django base pages (#3739)
Add API link to Django base pages (#3739)

This only existed in the React views, not Django views.
jean/sentry,zenefits/sentry,looker/sentry,zenefits/sentry,jean/sentry,JackDanger/sentry,ifduyue/sentry,fotinakis/sentry,gencer/sentry,ifduyue/sentry,mvaled/sentry,alexm92/sentry,gencer/sentry,jean/sentry,ifduyue/sentry,zenefits/sentry,BuildingLink/sentry,alexm92/sentry,looker/sentry,zenefits/sentry,fotinakis/sentry,JackDanger/sentry,JamesMura/sentry,mvaled/sentry,looker/sentry,gencer/sentry,mvaled/sentry,mvaled/sentry,BuildingLink/sentry,BuildingLink/sentry,mvaled/sentry,gencer/sentry,jean/sentry,zenefits/sentry,gencer/sentry,fotinakis/sentry,mvaled/sentry,JamesMura/sentry,jean/sentry,BuildingLink/sentry,mitsuhiko/sentry,looker/sentry,JamesMura/sentry,mitsuhiko/sentry,beeftornado/sentry,looker/sentry,JackDanger/sentry,fotinakis/sentry,ifduyue/sentry,BuildingLink/sentry,JamesMura/sentry,beeftornado/sentry,ifduyue/sentry,beeftornado/sentry,JamesMura/sentry,alexm92/sentry