[SOGo] Add logo to config dir

[Web] Add missing lang strings for transport maps

data/web/lang/lang.en.php

@@ -31,6 +31,8 @@ $lang['success']['verified_yotp_login'] = "Verified Yubico OTP login";
 $lang['danger']['yotp_verification_failed'] = "Yubico OTP verification failed: %s";
 $lang['danger']['ip_list_empty'] = "List of allowed IPs cannot be empty";
 $lang['danger']['invalid_destination'] = "Destination format is invalid";
+$lang['danger']['invalid_nexthop'] = "Next hop format is invalid";
+$lang['danger']['invalid_nexthop_authenticated'] = "Next hops exists with different credentials, please update the existing credentials for this next hop first.";
 $lang['danger']['rspamd_ui_pw_length'] = "Rspamd UI password should be at least 6 chars long";
 $lang['success']['rspamd_ui_pw_set'] = "Rspamd UI password successfully set";
 $lang['success']['queue_command_success'] = "Queue command completed successfully";