Add Biotechnology and Biological Sciences Research Council to email domain list

> BBSRC is an executive non-departmental public body, sponsored by the
> Department for Business, Energy & Industrial Strategy.

– https://www.gov.uk/government/organisations/biotechnology-biological-sciences-research-council

app/config.py

@@ -87,6 +87,7 @@ class Config(object):
         r"bl\.uk",
         r"stfc\.ac\.uk",
         r"wmfs\.net",
+        r"bbsrc\.ac\.uk",
     ]
 
     LOGO_UPLOAD_BUCKET_NAME = 'public-logos-local'