In GNOME2 there was:
sudo apt-get install gedit-plugins
To get more plugins for gedit, like embedding a terminal in gedit (example
Using LinuxMint with MATE we have Pluma (mate-text-editor), which is a fork of gedit, so think we should include something like:
sudo apt-get install mate-text-editor-plugins
to allow users to install more plugins for Pluma with ease.
We can find them here