La rentrée des classes

What's Changed

• auth: add the MASA/CAS auth and rework the auth logic by @freesteph in #39
• pfmps: ensure we restrict the scope of managing PFMPs by @freesteph in #40
• establishment: parse the phone and email address by @freesteph in #41
• auth: better handling of exceptions by @freesteph in #42
• PFMP: allow deletion by @freesteph in #43
• ux: use direct links rather than separate "View the X" actions by @freesteph in #44
• auth: customise the dev strategy by @freesteph in #45
• app: add a maintenance mode by @freesteph in #46

Full Changelog: v0.0.2.1...v0.1