feat(core): Add message of the day

UI/MainUI/SOGoRootPage.m

@@ -51,6 +51,7 @@
 #import <SOGo/SOGoWebAuthenticator.h>
 #import <SOGo/SOGoEmptyAuthenticator.h>
 #import <SOGo/SOGoMailer.h>
+#import <SOGo/SOGoAdmin.h>
 
 #if defined(MFA_CONFIG)
 #include <liboath/oath.h>
@@ -1043,4 +1044,20 @@ static const NSString *kJwtKey = @"jwt";
 #endif
 }
 
+
+- (NSString *)motd
+{
+  return [[SOGoAdmin sharedInstance] getMotd];
+}
+
+- (NSString *)motdEscaped
+{
+  return [[[SOGoAdmin sharedInstance] getMotd] stringWithoutHTMLInjection: YES];
+}
+
+- (BOOL)hasMotd
+{
+  return [[SOGoAdmin sharedInstance] getMotd] && [[[SOGoAdmin sharedInstance] getMotd] length] > 1;
+}
+
 @end /* SOGoRootPage */