access control for checklist editor

[Wkt8]

• [ ] authenticated access to ui using webin
• [ ] 4 end users:
  • [ ] Colman ocathail@ebi.ac.uk
  • [ ] Peter woollard@ebi.ac.uk
  • [ ] Zahra zahra@ebi.ac.uk
  • [ ] Joana joanap@ebi.ac.uk
• [x] get webin auth docs from Dipayan