New unlogged homepage

With fancy illustrations ✨

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/types/admin.model.ts

@@ -34,6 +34,7 @@ export interface ILanguage {
 export interface IAdminSettings {
   instanceName: string;
   instanceDescription: string;
+  instanceSlogan: string;
   instanceLongDescription: string;
   contact: string;
   instanceTerms: string;

js/src/types/config.model.ts

@@ -6,6 +6,7 @@ export interface IConfig {
   description: string;
   longDescription: string;
   contact: string;
+  slogan: string;
 
   registrationsOpen: boolean;
   registrationsAllowlist: boolean;