Allow Science & Technology Facilities Council

> STFC is an executive non-departmental public body, sponsored by the
> Department for Business, Energy & Industrial Strategy.
> http://www.stfc.ac.uk/

– https://www.gov.uk/government/organisations/science-and-technology-facilities-council

app/config.py

@@ -86,6 +86,7 @@ class Config(object):
         r"cjsm\.net",
         r"cqc\.org\.uk",
         r"bl\.uk",
+        r"stfc\.ac\.uk",
     ]
 
     LOGO_UPLOAD_BUCKET_NAME = 'public-logos-local'