fix: CSRF_TRUSTED_ORIGINS syntax

env.sample

@@ -10,9 +10,9 @@
 # Django ALLOWED_HOST comma separeted values
 DOMAINS=localhost,127.0.0.1,geocontrib.dev.neogeo.fr
 
-# External authorized domains to securize request from CSRF attacks. 
+# Django comma separeted values, for external authorized domains to securize request from CSRF attacks. 
 # Since django 4 each domain should include a schema (ex : `https://` ou `http://`)
-CSRF_TRUSTED_ORIGINS=['https://geocontrib.dev.neogeo.fr']
+CSRF_TRUSTED_ORIGINS=https://geocontrib.dev.neogeo.fr
 
 # Port the front will bind on host
 #HTTP_PORT=80