[gedit] docs: roadmap-done: add recently done tasks in gedit plugins

[Sébastien Wilmet <swilmet src gnome org>]

commit 0ae4a5b6a8061f892b1a77e3e6a2f4e0bd35c97b
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Nov 22 08:20:51 2020 +0100

    docs: roadmap-done: add recently done tasks in gedit plugins

 docs/roadmap-done.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/docs/roadmap-done.md b/docs/roadmap-done.md
index 7af397f78..7f210e49b 100644
--- a/docs/roadmap-done.md
+++ b/docs/roadmap-done.md
@@ -27,6 +27,19 @@ Tepl-ification of the gedit core
 Links:
 - https://wiki.gnome.org/Projects/Tepl
 
+Tepl-ification of the gedit plugins
+-----------------------------------
+
+- gedit 40:
+       - Draw Spaces plugin: new implementation based on TeplSpaceDrawerPrefs.
+
+Other done tasks in gedit plugins
+---------------------------------
+
+- gedit 40:
+       - Smart Spaces plugin: new implementation based on a GtkSourceView
+         feature.
+
 New version of gedit on Windows
 -------------------------------