[gnome-todo] flatpak: Add libsass and sassc

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit ae36052bfa5aeb8fd0f552b8738dc15e093e1972
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Apr 13 12:18:41 2021 -0300

    flatpak: Add libsass and sassc
    
    Both needed to build libadwaita now.

 build-aux/flatpak/org.gnome.Todo.json | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
---
diff --git a/build-aux/flatpak/org.gnome.Todo.json b/build-aux/flatpak/org.gnome.Todo.json
index 093e8446..87b28776 100644
--- a/build-aux/flatpak/org.gnome.Todo.json
+++ b/build-aux/flatpak/org.gnome.Todo.json
@@ -151,6 +151,28 @@
                 }
             ]
         },
+        {
+            "name" : "libsass",
+            "buildsystem" : "meson",
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://github.com/lazka/libsass.git";,
+                    "branch" : "meson"
+                }
+            ]
+        },
+        {
+            "name" : "sassc",
+            "buildsystem" : "meson",
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://github.com/lazka/sassc.git";,
+                    "branch" : "meson"
+                }
+            ]
+        },
         {
             "name" : "libadwaita",
             "buildsystem" : "meson",