Add Bilby reference

Fixes #64.
4 jobs for bilby in 6 minutes and 15 seconds (queued for 20 seconds)
Status Job ID Name Coverage
  Build
passed #659073
build

00:00:51

 
  Test
passed #659074
lint

00:00:37

passed #659075
test

00:04:45

91.0%
 
  Deploy
passed #659076
sccb

00:00:25