Add portalSkinBackground in Manager (#820)

lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm

@@ -302,6 +302,10 @@ sub attributes {
                 { k => 'dark',      v => 'Dark' },
             ],
         },
+        portalSkinBackground => {
+            type          => 'text',
+            documentation => 'Background image of portal skin',
+        },
         portalSkinRules => {
             type       => 'keyTextContainer',
             help       => 'portalcustom.html',

lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Tree.pm

@@ -54,6 +54,7 @@ sub tree {
                             help  => 'portalcustom.html',
                             nodes => [
                                 'portalSkin',
+                                'portalSkinBackground',
                                 'portalSkinRules',
                                 {
                                     title => 'portalButtons',

lemonldap-ng-manager/site/static/languages/en.json

@@ -429,6 +429,7 @@
   "portalRedirection": "Portal redirections",
   "portalRequireOldPassword": "Require old password",
   "portalSkin": "Default Skin",
+  "portalSkinBackground": "Skin background",
   "portalSkinRules": "Skin display rules",
   "portalUserAttr": "User attribute",
   "post": "Form replay",

lemonldap-ng-manager/site/static/languages/fr.json

@@ -429,6 +429,7 @@
   "portalRedirection": "Redirections du portail",
   "portalRequireOldPassword": "Ancien mot de passe requis",
   "portalSkin": "Thème visuel par défaut",
+  "portalSkinBackground": "Image de fond",
   "portalSkinRules": "Règles d'affichage du thème visuel",
   "portalUserAttr": "Attribut de l'utilisateur",
   "post": "Rejeu de formulaires",