Hide mail adress API side

[Julien-Goletto]

API :

• [x] Don't send email on /users anymore
• [x] Create a specific endpoint /users/me that sends a complete user object

APP :

• [x] Separate /membres/id pages from personnal pages
• [x] Use a different endpoint on each, public / private distinction

[Julien-Goletto]

Bonus :

• [x] ISR on public member page
• [x] Using pseudo instead of ids
• [x] Correcting the undisplayed movie poster in proposition section on private page. (not fixed, only on dev deployment)