[recipes] Add a setting for the export list

[Matthias Clasen <matthiasc src gnome org>]

commit d0e3c431590ad8e7bcd7d600afa9db25a151f427
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Mar 11 19:27:22 2017 -0500

    Add a setting for the export list
    
    It makes sense to persist this in the same way as the
    shopping list, or the favorites.

 data/org.gnome.Recipes.gschema.xml |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.Recipes.gschema.xml b/data/org.gnome.Recipes.gschema.xml
index 5bc517e..ba01446 100644
--- a/data/org.gnome.Recipes.gschema.xml
+++ b/data/org.gnome.Recipes.gschema.xml
@@ -55,6 +55,13 @@
         The names of ingredients that were removed from the shopping list.
       </description>
     </key>
+    <key type="as" name="export-list">
+      <default>[]</default>
+      <summary>The list of recipes to be exported</summary>
+      <description>
+        The list of rcipes to be exported. Each entry in the list is the ID of a recipe.
+      </description>
+    </key>
 
   </schema>