pidgin/nest

Add shortcodes for issues/reviews on nest

2021-04-09, Elliott Sales de Andrade
9389f46e80f9
Add shortcodes for issues/reviews on nest

* Use xep shortcode in GSoC ideas page.
* Add an issue shortcode, linking to issues.imfreedom.org.
* Add review shortcode, linking to reviews.imfreedom.org.

Testing Done:
Build site and click on links on edited pages.

Reviewed at https://reviews.imfreedom.org/r/604/
Alan Hoskins <alanhoskins@gmail.com>
Elliott Sales de Andrade <quantum.analyst@gmail.com>
Frederick F. Kautz IV <fkautz@alumni.cmu.edu>
Gary Kramlich <grim@reaperworld.com>
Harrison <harrisonhopkins@gmail.com>
Jason Allan <code@jasonderrythomas.com>
John Bailey <rekkanoryo@rekkanoryo.org>
Richard Laager <rlaager@wiktel.com>
Robert Vehse <robertvehse@fastmail.fm>
Sorvival <sorvival@tutanota.com>
Zero <programmingzero@gmail.com>