This function creates a new store path with roundcube sources and all
specified plugins. It can be used like this:
```
roundcube.withPlugins (plugins: with plugins; [
persistent_login
])
```
This is a service release to update the stable version 1.3 of Roundcube
Webmail. It contains fixes to several bugs backported from the master
branch including a security fix for a reported XSS vulnerability plus
updates to ensure compatibility with PHP 7.3 and recent versions of
Courier-IMAP, Dovecot and MySQL 8. See the complete changelog at
https://github.com/roundcube/roundcubemail/releases/tag/1.3.8
