feat(django-apps): Automatically add admins

modules/nixos/django-apps/default.nix

@@ -134,6 +134,17 @@ in
                 '';
               };
 
+              admins = mkOption {
+                type = attrsOf str;
+                default = { };
+                description = ''
+                  Admins of this website, they will be added to the ADMINS credential.
+                '';
+                example = {
+                  "Toto Example" = "toto@example.com";
+                };
+              };
+
               serveMedia = mkOption {
                 type = bool;
                 default = true;
@@ -662,6 +673,10 @@ in
                 STATIC_ROOT = "/var/lib/django-apps/${name}/${config.staticDirectory}";
                 MEDIA_ROOT = "/var/lib/django-apps/${name}/${config.mediaDirectory}";
                 ALLOWED_HOSTS = [ config.domain ];
+                ADMINS = mapAttrsToList (name: email: [
+                  name
+                  email
+                ]) ({ "Admins DGNum" = "admins+dj-${name}@dgnum.eu"; } // config.admins);
               })
               // {
                 DJANGO_SETTINGS_MODULE = config.application.settingsModule;