feat: configurable logout page URL for proxy/hook auth (#3884)

Co-authored-by: Henrique Dias <mail@hacdias.com>

settings/storage.go

@@ -30,24 +30,34 @@ func (s *Storage) Get() (*Settings, error) {
 	if err != nil {
 		return nil, err
 	}
+
 	if set.UserHomeBasePath == "" {
 		set.UserHomeBasePath = DefaultUsersHomeBasePath
 	}
+
+	if set.LogoutPage == "" {
+		set.LogoutPage = DefaultLogoutPage
+	}
+
 	if set.MinimumPasswordLength == 0 {
 		set.MinimumPasswordLength = DefaultMinimumPasswordLength
 	}
+
 	if set.Tus == (Tus{}) {
 		set.Tus = Tus{
 			ChunkSize:  DefaultTusChunkSize,
 			RetryCount: DefaultTusRetryCount,
 		}
 	}
+
 	if set.FileMode == 0 {
 		set.FileMode = DefaultFileMode
 	}
+
 	if set.DirMode == 0 {
 		set.DirMode = DefaultDirMode
 	}
+
 	return set, nil
 }