keyboard_shortcuts plugin for Roundcube Webmail

 Roundcube Webmail is a browser-based multilingual IMAP client with an
 application-like user interface. It provides full functionality
 expected from an e-mail client, including MIME support, address book,
 folder manipulation and message filters.
 .
 This package provide the 'keyboard_shortcuts' third-party plugin, which allows
 some functionality to be handled with the keyboard. It adds an icon to the
 mail screen to view all available shortcuts.